diff --git a/seahub/api2/endpoints/admin/statistics.py b/seahub/api2/endpoints/admin/statistics.py
index cfe5e894d5..aaf2b03beb 100644
--- a/seahub/api2/endpoints/admin/statistics.py
+++ b/seahub/api2/endpoints/admin/statistics.py
@@ -1,6 +1,7 @@
 # Copyright (c) 2012-2016 Seafile Ltd.
 import datetime
 import pytz
+import logging
 
 from rest_framework.authentication import SessionAuthentication
 from rest_framework.permissions import IsAdminUser
@@ -8,16 +9,21 @@ from rest_framework.response import Response
 from rest_framework.views import APIView
 from rest_framework import status
 from django.utils import timezone
+from django.utils.translation import ugettext as _
+from django.http import HttpResponse
 
 from seahub.utils import get_file_ops_stats_by_day, \
         get_total_storage_stats_by_day, get_user_activity_stats_by_day, \
-        is_pro_version, EVENTS_ENABLED, get_system_traffic_by_day
+        is_pro_version, EVENTS_ENABLED, get_system_traffic_by_day, \
+        get_all_users_traffic_by_month
 from seahub.utils.timeutils import datetime_to_isoformat_timestr
+from seahub.utils.ms_excel import write_xls
 
 from seahub.api2.authentication import TokenAuthentication
 from seahub.api2.throttling import UserRateThrottle
 from seahub.api2.utils import api_error
 
+logger = logging.getLogger(__name__)
 
 def check_parameter(func):
     def _decorated(view, request, *args, **kwargs):
@@ -176,3 +182,66 @@ def get_time_offset():
     timezone_name = timezone.get_current_timezone_name()
     offset = pytz.timezone(timezone_name).localize(datetime.datetime.now()).strftime('%z')
     return offset[:3] + ':' + offset[3:]
+
+class SystemUsersTrafficExcelView(APIView):
+    authentication_classes = (TokenAuthentication, SessionAuthentication)
+    throttle_classes = (UserRateThrottle,)
+    permission_classes = (IsAdminUser,)
+
+    def byte_to_mb(self, byte):
+
+        return round(float(byte)/1000/1000, 2)
+
+    def get(self, request):
+
+        month = request.GET.get("month", "")
+        if not month:
+            error_msg = "month invalid."
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        try:
+            month_obj = datetime.datetime.strptime(month, "%Y-%m")
+        except:
+            error_msg = "Month %s invalid" % month
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        try:
+            res_data = get_all_users_traffic_by_month(month_obj)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        data_list = []
+        head = [_("Time"), _("User"), _("Web Download") + ('(MB)'), \
+                _("Sync Download") + ('(MB)'), _("Link Download") + ('(MB)'), \
+                _("Web Upload") + ('(MB)'), _("Sync Upload") + ('(MB)'), \
+                _("Link Upload") + ('(MB)')]
+
+        for data in res_data:
+            web_download = self.byte_to_mb(data['web_file_download'])
+            sync_download = self.byte_to_mb(data['sync_file_download'])
+            link_download = self.byte_to_mb(data['link_file_download'])
+            web_upload = self.byte_to_mb(data['web_file_upload'])
+            sync_upload = self.byte_to_mb(data['sync_file_upload'])
+            link_upload = self.byte_to_mb(data['link_file_upload'])
+
+            row = [month, data['user'], web_download, sync_download, \
+                    link_download, web_upload, sync_upload, link_upload]
+
+            data_list.append(row)
+
+        excel_name = _("User Traffic %s" % month)
+
+        try:
+            wb = write_xls(excel_name, head, data_list)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        response = HttpResponse(content_type='application/ms-excel')
+        response['Content-Disposition'] = 'attachment; filename=%s.xlsx' % excel_name
+        wb.save(response)
+
+        return response
diff --git a/seahub/templates/sysadmin/sys_statistic_file.html b/seahub/templates/sysadmin/sys_statistic_file.html
index 317db45ec7..98106775a2 100644
--- a/seahub/templates/sysadmin/sys_statistic_file.html
+++ b/seahub/templates/sysadmin/sys_statistic_file.html
@@ -14,6 +14,7 @@
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_storage' %}">{% trans "Storage" %}</a></li>
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_user' %}">{% trans "Users" %}</a></li>
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_traffic' %}">{% trans "Traffic" %}</a></li>
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_reports' %}">{% trans "Reports" %}</a></li>
     </ul>
 </div>
 
diff --git a/seahub/templates/sysadmin/sys_statistic_reports.html b/seahub/templates/sysadmin/sys_statistic_reports.html
new file mode 100644
index 0000000000..37981276ce
--- /dev/null
+++ b/seahub/templates/sysadmin/sys_statistic_reports.html
@@ -0,0 +1,71 @@
+{% extends "sysadmin/base.html" %}
+{% load seahub_tags i18n staticfiles %}
+
+{% block extra_style %}
+<link rel="stylesheet" type="text/css" href="{{MEDIA_URL}}css/jquery-ui.datepicker.min.css" />
+{% endblock %}
+
+{% block cur_statistic %}tab-cur{% endblock %}
+
+{% block right_panel %}
+<div class="tabnav ovhd">
+    <ul class="tabnav-tabs fleft">
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_file' %}">{% trans "File" %}</a></li>
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_storage' %}">{% trans "Storage" %}</a></li>
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_user' %}">{% trans "Users" %}</a></li>
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_traffic' %}">{% trans "Traffic" %}</a></li>
+        <li class="tabnav-tab tabnav-tab-cur"><a href="{% url 'sys_statistic_reports' %}">{% trans "Reports" %}</a></li>
+    </ul>
+</div>
+
+<div class="system-statistic-time-range ovhd">
+    <h3>{% trans "Get a detailed user traffic report of a month." %}</h3>
+    <form action="" class="fleft date-custom-form">
+        <input type="text" name="month" class="input" placeholder="yyyy-mm" />
+        <button type="submit" class="submit">{% trans "Create Report" %}</button>
+        <span class="error hide"></span>
+    </form>
+</div>
+
+{% endblock %}
+
+{% block extra_script %}
+<script type="text/javascript" src="{% static "scripts/lib/jquery-ui.min.js" %}"></script>
+<script type="text/javascript">
+
+// date picker for date-custom
+$.datepicker.setDefaults({
+    changeMonth: true,
+    changeYear: true,
+    hideIfNoPrevNext: true,
+    maxDate: 0, // today (The maximum selectable date)
+    dateFormat: 'yy-mm'
+});
+$('.date-custom-form .input').datepicker();
+
+// custom time range
+$('.date-custom-form').on('submit', function() {
+    var $form = $(this);
+    var $month= $('[name="month"]', $form);
+    var $error = $('.error', $form);
+
+    var month = $month.val();
+
+    if (!month) {
+        $error.html("{% trans "Month is required." %}").removeClass('hide');
+        return false;
+    }
+
+    // 'date' can be picked from datepicker, also directly input
+    var date_pattern = /^([012]\d{3})\-(0[1-9]|1[012])$/;
+    if (!date_pattern.test(month)) {
+        $error.html("{% trans "Invalid month, should be yyyy-mm" %}").removeClass('hide');
+        return false;
+    }
+
+    $error.addClass('hide');
+    location.href = "{% url 'api-v2.1-admin-statistics-system-users-traffic-excel' %}" + "?month=" + month;
+    return false;
+});
+</script>
+{% endblock %}
diff --git a/seahub/templates/sysadmin/sys_statistic_storage.html b/seahub/templates/sysadmin/sys_statistic_storage.html
index 8411b39ff5..3c4a4a8a21 100644
--- a/seahub/templates/sysadmin/sys_statistic_storage.html
+++ b/seahub/templates/sysadmin/sys_statistic_storage.html
@@ -14,6 +14,7 @@
         <li class="tabnav-tab tabnav-tab-cur"><a href="{% url 'sys_statistic_storage' %}">{% trans "Storage" %}</a></li>
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_user' %}">{% trans "Users" %}</a></li>
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_traffic' %}">{% trans "Traffic" %}</a></li>
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_reports' %}">{% trans "Reports" %}</a></li>
     </ul>
 </div>
 
diff --git a/seahub/templates/sysadmin/sys_statistic_traffic.html b/seahub/templates/sysadmin/sys_statistic_traffic.html
index cdc318d105..49372fbe6d 100644
--- a/seahub/templates/sysadmin/sys_statistic_traffic.html
+++ b/seahub/templates/sysadmin/sys_statistic_traffic.html
@@ -14,6 +14,7 @@
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_storage' %}">{% trans "Storage" %}</a></li>
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_user' %}">{% trans "Users" %}</a></li>
         <li class="tabnav-tab tabnav-tab-cur"><a href="{% url 'sys_statistic_traffic' %}">{% trans "Traffic" %}</a></li>
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_reports' %}">{% trans "Reports" %}</a></li>
     </ul>
 </div>
 
diff --git a/seahub/templates/sysadmin/sys_statistic_user.html b/seahub/templates/sysadmin/sys_statistic_user.html
index 0a55d93482..7c7c1b0bcd 100644
--- a/seahub/templates/sysadmin/sys_statistic_user.html
+++ b/seahub/templates/sysadmin/sys_statistic_user.html
@@ -14,6 +14,7 @@
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_storage' %}">{% trans "Storage" %}</a></li>
         <li class="tabnav-tab tabnav-tab-cur"><a href="{% url 'sys_statistic_user' %}">{% trans "Users" %}</a></li>
         <li class="tabnav-tab"><a href="{% url 'sys_statistic_traffic' %}">{% trans "Traffic" %}</a></li>
+        <li class="tabnav-tab"><a href="{% url 'sys_statistic_reports' %}">{% trans "Reports" %}</a></li>
     </ul>
 </div>
 
diff --git a/seahub/urls.py b/seahub/urls.py
index 833a842ff1..1f3021b711 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -78,7 +78,8 @@ from seahub.api2.endpoints.admin.file_update import FileUpdate
 from seahub.api2.endpoints.admin.perm_audit import PermAudit
 from seahub.api2.endpoints.admin.sysinfo import SysInfo
 from seahub.api2.endpoints.admin.statistics import (
-    FileOperationsView, TotalStorageView, ActiveUsersView, SystemTrafficView
+    FileOperationsView, TotalStorageView, ActiveUsersView, SystemTrafficView, \
+    SystemUsersTrafficExcelView
 )
 from seahub.api2.endpoints.admin.devices import AdminDevices
 from seahub.api2.endpoints.admin.device_errors import AdminDeviceErrors
@@ -324,7 +325,7 @@ urlpatterns = [
     url(r'^api/v2.1/admin/statistics/total-storage/$', TotalStorageView.as_view(), name='api-v2.1-admin-statistics-total-storage'),
     url(r'^api/v2.1/admin/statistics/active-users/$', ActiveUsersView.as_view(), name='api-v2.1-admin-statistics-active-users'),
     url(r'^api/v2.1/admin/statistics/system-traffic/$', SystemTrafficView.as_view(), name='api-v2.1-admin-statistics-system-traffic'),
-
+    url(r'^api/v2.1/admin/statistics/system-users-traffic/excel/$', SystemUsersTrafficExcelView.as_view(), name='api-v2.1-admin-statistics-system-users-traffic-excel'),
     ## admin::users
     url(r'^api/v2.1/admin/users/$', AdminUsers.as_view(), name='api-v2.1-admin-users'),
     # [^...] Matches any single character not in brackets
@@ -434,6 +435,8 @@ urlpatterns = [
     url(r'^sys/statistic/storage/$', sys_statistic_storage, name='sys_statistic_storage'),
     url(r'^sys/statistic/user/$', sys_statistic_user, name='sys_statistic_user'),
     url(r'^sys/statistic/traffic/$', sys_statistic_traffic, name='sys_statistic_traffic'),
+    url(r'^sys/statistic/reports/$', sys_statistic_reports, name='sys_statistic_reports'),
+
     url(r'^sysadmin/#all-libs/$', fake_view, name='sys_repo_admin'),
     url(r'^sysadmin/#libs/(?P<repo_id>[-0-9a-f]{36})/$', fake_view, name='sys_admin_repo'),
     url(r'^sysadmin/#system-lib/$', fake_view, name='sys_list_system'),
diff --git a/seahub/utils/__init__.py b/seahub/utils/__init__.py
index 7045f6a953..622d258bdc 100644
--- a/seahub/utils/__init__.py
+++ b/seahub/utils/__init__.py
@@ -40,6 +40,8 @@ try:
     from seahub.settings import EVENTS_CONFIG_FILE
 except ImportError:
     EVENTS_CONFIG_FILE = None
+from seafevents import seafevents_api
+seafevents_api.init(EVENTS_CONFIG_FILE)
 try:
     from seahub.settings import EMAIL_HOST
     IS_EMAIL_CONFIGURED = True
@@ -646,7 +648,7 @@ if EVENTS_CONFIG_FILE:
         15th events.
         """
         return _get_events(username, start, count)
-   
+
     def get_user_activity_stats_by_day(start, end, offset):
         """
         """
@@ -722,6 +724,11 @@ if EVENTS_CONFIG_FILE:
             res = seafevents.get_system_traffic_by_day(session, start, end, offset, op_type)
         return res
 
+    def get_all_users_traffic_by_month(datetime, start=-1, limit=-1):
+
+        res = seafevents_api.get_all_users_traffic_by_month(datetime, start, limit)
+        return res
+
     def get_org_traffic_by_day(org_id, start, end, offset, op_type='all'):
         with _get_seafevents_session() as session:
             res = seafevents.get_org_traffic_by_day(session, org_id, start, end, offset, op_type)
@@ -788,6 +795,8 @@ else:
         pass
     def get_system_traffic_by_day():
         pass
+    def get_all_users_traffic_by_month():
+        pass
     def get_org_traffic_by_day():
         pass
     def get_file_update_events():
diff --git a/seahub/views/sysadmin.py b/seahub/views/sysadmin.py
index 6dc23bf3d8..b078c156fa 100644
--- a/seahub/views/sysadmin.py
+++ b/seahub/views/sysadmin.py
@@ -201,6 +201,13 @@ def sys_statistic_traffic(request):
             'page_next': page_next,
         })
 
+@login_required
+@sys_staff_required
+def sys_statistic_reports(request):
+
+    return render(request, 'sysadmin/sys_statistic_reports.html', {
+            })
+
 def can_view_sys_admin_repo(repo):
     default_repo_id = get_system_default_repo_id()
     is_default_repo = True if repo.id == default_repo_id else False