diff --git a/addons/hr_expense/hr_expense.py b/addons/hr_expense/hr_expense.py
index ccb8af68e21..dea1f558b0f 100644
--- a/addons/hr_expense/hr_expense.py
+++ b/addons/hr_expense/hr_expense.py
@@ -127,6 +127,7 @@ class hr_expense_expense(osv.osv):
         for expense in self.browse(cr, uid, ids):
             if expense.employee_id and expense.employee_id.parent_id.user_id:
                 self.message_subscribe_users(cr, uid, [expense.id], user_ids=[expense.employee_id.parent_id.user_id.id])
+        self.expense_approve_notificate(cr, uid, ids)
         self.write(cr, uid, ids, {
             'state':'confirm',
             'date_confirm': time.strftime('%Y-%m-%d')
@@ -134,6 +135,7 @@ class hr_expense_expense(osv.osv):
         return True
 
     def expense_accept(self, cr, uid, ids, *args):
+        self.expense_approved_notificate(cr, uid, ids)
         self.write(cr, uid, ids, {
             'state':'accepted',
             'date_valid':time.strftime('%Y-%m-%d'),
@@ -142,6 +144,7 @@ class hr_expense_expense(osv.osv):
         return True
 
     def expense_canceled(self, cr, uid, ids, *args):
+        self.expense_cancel_notificate(cr, uid, ids)
         self.write(cr, uid, ids, {'state':'cancelled'})
         return True
 
@@ -234,6 +237,21 @@ class hr_expense_expense(osv.osv):
         }
         return result
 
+    def expense_approve_notificate(self, cr, uid, ids, context=None):
+        for obj in self.browse(cr, uid, ids, context=context):
+            self.message_post(cr, uid, [obj.id],
+                _("Request <b>waiting for approved</b>"), subtype="hr_expense_expense.mt_expense_approve", context=context)
+
+    def expense_approved_notificate(self, cr, uid, ids, context=None):
+        for obj in self.browse(cr, uid, ids, context=context):
+            self.message_post(cr, uid, [obj.id],
+                _("Request <b>approved</b>"), subtype="hr_expense_expense.mt_expense_approved", context=context)
+
+    def expense_cancel_notificate(self, cr, uid, ids, context=None):
+        for obj in self.browse(cr, uid, ids, context=context):
+            self.message_post(cr, uid, [obj.id],
+                _("Request <b>cancelled</b>"), subtype="hr_expense_expense.mt_expense_refused", context=context)
+
 hr_expense_expense()
 
 class product_product(osv.osv):
diff --git a/addons/hr_expense/hr_expense_data.xml b/addons/hr_expense/hr_expense_data.xml
index f54156ac5ec..b388757a963 100644
--- a/addons/hr_expense/hr_expense_data.xml
+++ b/addons/hr_expense/hr_expense_data.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
-    <data noupdate="1">
+    <data noupdate="0">
         <!-- notify all employees of module installation -->
         <record model="mail.message" id="module_install_notification">
             <field name="model">mail.group</field>
@@ -17,5 +17,24 @@
             <field name="parent_id" ref="product.product_category_all"/>
             <field name="name">Expenses</field>
         </record>
+
+        <!--subtype for expense -->
+        <record id="mt_expense_approve" model="mail.message.subtype">
+            <field name="name">To Approve</field>
+            <field name="res_model">hr.expense.expense</field>
+            <field name="default" eval="False"/>
+        </record>
+
+        <record id="mt_expense_approved" model="mail.message.subtype">
+            <field name="name">Approved</field>
+            <field name="res_model">hr.expense.expense</field>
+            <field name="default" eval="False"/>
+        </record>
+
+        <record id="mt_expense_refused" model="mail.message.subtype">
+            <field name="name">Refused</field>
+            <field name="res_model">hr.expense.expense</field>
+            <field name="default" eval="False"/>
+        </record>
     </data>
 </openerp>