diff --git a/seahub/forms.py b/seahub/forms.py
index 2e62c3d51d..51a4ad48f7 100644
--- a/seahub/forms.py
+++ b/seahub/forms.py
@@ -197,3 +197,8 @@ class SharedLinkPasswordForm(forms.Form):
 
         return self.cleaned_data
 
+class BatchAddUserForm(forms.Form):
+    """
+    Form for importing users from CSV file.
+    """
+    file = forms.FileField()
diff --git a/seahub/templates/sysadmin/sys_useradmin.html b/seahub/templates/sysadmin/sys_useradmin.html
index 67b9e10ce8..ade88124eb 100644
--- a/seahub/templates/sysadmin/sys_useradmin.html
+++ b/seahub/templates/sysadmin/sys_useradmin.html
@@ -33,13 +33,11 @@
     <input type="submit" value="{% trans "Submit" %}" class="submit" />
 </form>
 
-<form id="upload-file-form" class="hide" enctype= "multipart/form-data" method = "post" action = "{{ SITE_ROOT }}useradmin/batchadduser/">{% csrf_token %}
-    <h3>{% trans "Add user from local file" %}</h3><br />
+<form id="upload-csv-form" class="hide" enctype= "multipart/form-data" method = "post" action = "{% url 'batch_add_user' %}">{% csrf_token %}
+    <h3>{% trans "Import user from CSV file" %}</h3><br />
     <input type = "file" name = "file" /><br />
-    <p class="tip">{% trans "1. please upload a 'csv' format file;"%}</p>
-    <p class="tip">{% trans "2. row 1, column 1 for username title;"%}</p>
-    <p class="tip">{% trans "3. row 1, column 2 for password title;"%}</p>
-    <input type = "submit"  value = "submit"/>
+    <p class="tip">{% trans "CSV file format: user@mail.com, password"%}</p>
+    <input type="submit" value="{% trans "Submit" %}" class="submit" />
 </form>
 
 {% include "sysadmin/useradmin_table.html"%}
@@ -122,7 +120,7 @@ $('#add-user-form').submit(function() {
     return false;
 });
 $('#upload-file-btn').click(function () {
-    $('#upload-file-form').modal();
+    $('#upload-csv-form').modal();
 });
 {% include "sysadmin/useradmin_js.html" %}
 </script>
diff --git a/seahub/views/sysadmin.py b/seahub/views/sysadmin.py
index 128c2ce12e..13d7838d92 100644
--- a/seahub/views/sysadmin.py
+++ b/seahub/views/sysadmin.py
@@ -23,9 +23,9 @@ from seahub.base.accounts import User
 from seahub.base.models import UserLastLogin
 from seahub.base.decorators import sys_staff_required
 from seahub.auth.decorators import login_required
-from seahub.utils import IS_EMAIL_CONFIGURED, string2list, is_valid_email
+from seahub.utils import IS_EMAIL_CONFIGURED, string2list, is_valid_username
 from seahub.views import get_system_default_repo_id
-from seahub.forms import SetUserQuotaForm, AddUserForm
+from seahub.forms import SetUserQuotaForm, AddUserForm, BatchAddUserForm
 from seahub.profile.models import Profile, DetailedProfile
 from seahub.share.models import FileShare
 
@@ -854,62 +854,43 @@ def batch_user_make_admin(request):
 @login_required
 @sys_staff_required
 def batch_add_user(request):
-    
+    """Batch add users. Import users from CSV file.
+    """
     if request.method != 'POST':
         raise Http404
 
-    next = request.META.get('HTTP_REFERER', None)
-    if not next:
-        next = reverse(sys_user_admin)
-
-    if request.FILES.has_key('file'):
-        f = request.FILES['file']
-
-        if f.name[-3:] != "csv":
-            messages.error(request, _(u'Failed! Please upload a csv format file.'))
-            return HttpResponseRedirect(next)
-
-        content = f.read()
+    form = BatchAddUserForm(request.POST, request.FILES)
+    if form.is_valid():
+        content = request.FILES['file'].read()
         encoding = chardet.detect(content)['encoding']
         if encoding != 'utf-8':
             content = content.decode(encoding, 'replace').encode('utf-8')
 
         filestream = StringIO.StringIO(content)
-
-        lines_of_csv = filestream.read().splitlines()
-        dialect = csv.Sniffer().sniff(content)
-        reader = csv.DictReader(lines_of_csv, dialect=dialect)
-
-        username_title = lines_of_csv[0].split(',')[0]
-        password_title = lines_of_csv[0].split(',')[1]
-
-        if username_title == password_title or username_title == "" or password_title == "":
-            messages.error(request, _(u'Failed! wrong csv format.'))
-            return HttpResponseRedirect(next)
-
-        failed = {}
+        reader = csv.reader(filestream)
 
         for row in reader:
-            email = row[username_title]
-            password = row[password_title]
-            if is_valid_email(email):
-                try:
-                    User.objects.get(email=email)
-                    failed[email] = 'Already exist'
-                    continue
-                except User.DoesNotExist:
-                    if password != '':
-                        User.objects.create_user(email, password, is_staff=False,
-                                                    is_active=True)
-                    else:
-                        failed[email] = 'Has no password'
-            else:
-                failed[email] = 'Unvalid email address'
+            if not row:
+                continue
 
-        failed = sorted(failed.items(),key=lambda e:e[1],reverse=True)
-        for item in failed:
-            messages.error(request, _(u"%s: add '%s' failed.") % (item[1], item[0]))
+            username = row[0].strip()
+            password = row[1].strip()
+
+            if not is_valid_username(username):
+                continue
+
+            if password == '':
+                continue
+
+            try:
+                User.objects.get(email=username)
+                continue
+            except User.DoesNotExist:
+                User.objects.create_user(username, password, is_staff=False,
+                                         is_active=True)
+        messages.success(request, _('Success'))
     else:
         messages.error(request, _(u'Please select a csv file first.'))
 
+    next = request.META.get('HTTP_REFERER', reverse(sys_user_admin))
     return HttpResponseRedirect(next)