diff --git a/module/execution/css/cfd.css b/module/execution/css/cfd.css
index 47646a87bd..44fe18e927 100644
--- a/module/execution/css/cfd.css
+++ b/module/execution/css/cfd.css
@@ -1,4 +1,6 @@
 .main-content > h2 {font-size: 16px;}
+#mainContent h2 .icon-help {font-size: 16px; vertical-align: text-bottom;}
+.tooltip-inner {font-size: 13px; letter-spacing: 1px; line-height: 22px; max-width: 400px !important}
 .container {max-width: 1700px !important}
 
 .pull-left .input-control {margin-right: 10px;}
diff --git a/module/execution/lang/de.php b/module/execution/lang/de.php
index 6cfcc90e3a..d2e6c32b67 100644
--- a/module/execution/lang/de.php
+++ b/module/execution/lang/de.php
@@ -431,6 +431,7 @@ $lang->execution->charts->burn->graph->actuality    = 'Aktualität';
 $lang->execution->charts->burn->graph->delay        = 'Delay';
 
 $lang->execution->charts->cfd = new stdclass();
+$lang->execution->charts->cfd->cfdTip        = "The Cumulative Flow Diagram（CFD）reflects the trend of accumulated workload at each stage over time. The horizontal axis of CFD represents the date, and the vertical axis represents the number of work items. Through this report, you can calculate the WIP quantity, delivery rate and average lead time to understand the team's delivery.";
 $lang->execution->charts->cfd->cycleTime     = 'Average cycle time';
 $lang->execution->charts->cfd->cycleTimeTip  = 'Average cycle time of each card from development start to completion';
 $lang->execution->charts->cfd->throughput    = 'Throughput Rate';
diff --git a/module/execution/lang/en.php b/module/execution/lang/en.php
index 3a58f80179..38ddbcefe3 100644
--- a/module/execution/lang/en.php
+++ b/module/execution/lang/en.php
@@ -431,6 +431,7 @@ $lang->execution->charts->burn->graph->actuality    = 'Actual';
 $lang->execution->charts->burn->graph->delay        = 'Delay';
 
 $lang->execution->charts->cfd = new stdclass();
+$lang->execution->charts->cfd->cfdTip        = "The Cumulative Flow Diagram（CFD）reflects the trend of accumulated workload at each stage over time. The horizontal axis of CFD represents the date, and the vertical axis represents the number of work items. Through this report, you can calculate the WIP quantity, delivery rate and average lead time to understand the team's delivery.";
 $lang->execution->charts->cfd->cycleTime     = 'Average cycle time';
 $lang->execution->charts->cfd->cycleTimeTip  = 'Average cycle time of each card from development start to completion';
 $lang->execution->charts->cfd->throughput    = 'Throughput Rate';
diff --git a/module/execution/lang/fr.php b/module/execution/lang/fr.php
index 79ef8cbe87..a4ed7a0d76 100644
--- a/module/execution/lang/fr.php
+++ b/module/execution/lang/fr.php
@@ -434,6 +434,7 @@ $lang->execution->charts->burn->graph->actuality    = 'Actuel';
 $lang->execution->charts->burn->graph->delay        = 'Delay';
 
 $lang->execution->charts->cfd = new stdclass();
+$lang->execution->charts->cfd->cfdTip        = "Le Cumulative Flow Diagram（CFD）indique la tendance de la charge de travail cumulée de chaque étape au fil du temps. L'axe horizontal du CFD représente la date et l'axe vertical représente le nombre d'éléments de travail. Ce rapport vous permet de calculer les quantités de travail en cours (WIP), les taux de livraison et les délais moyens pour comprendre comment votre équipe travaille."
 $lang->execution->charts->cfd->cycleTime     = 'Average cycle time';
 $lang->execution->charts->cfd->cycleTimeTip  = 'Average cycle time of each card from development start to completion';
 $lang->execution->charts->cfd->throughput    = 'Throughput Rate';
diff --git a/module/execution/lang/zh-cn.php b/module/execution/lang/zh-cn.php
index 7323f9d837..0b3c19469f 100644
--- a/module/execution/lang/zh-cn.php
+++ b/module/execution/lang/zh-cn.php
@@ -431,6 +431,7 @@ $lang->execution->charts->burn->graph->actuality    = '实际';
 $lang->execution->charts->burn->graph->delay        = '延期';
 
 $lang->execution->charts->cfd = new stdclass();
+$lang->execution->charts->cfd->cfdTip        = '累积流图反应各个阶段累积处理的工作项数量随时间的变化趋势，该报表横轴代表日期，纵轴代表工作项数量，通过此图可计算出在制品数量，交付速率以及平均前置时间，从而了解团队的交付情况。';
 $lang->execution->charts->cfd->cycleTime     = '平均周期时间';
 $lang->execution->charts->cfd->cycleTimeTip  = '平均每个卡片从开发启动到完成的周期时间';
 $lang->execution->charts->cfd->throughput    = '吞吐率';
diff --git a/module/execution/view/cfd.html.php b/module/execution/view/cfd.html.php
index f8f5b4127e..bdcbefe95a 100644
--- a/module/execution/view/cfd.html.php
+++ b/module/execution/view/cfd.html.php
@@ -32,7 +32,7 @@
   </div>
 </div>
 <div id='mainContent' class='main-content'>
-  <h2 class='text-center'><?php echo $executionName . ' - ' . zget($lang->execution->cfdTypeList, $type) . $lang->execution->CFD;?></h2>
+  <h2 class='text-center'><?php echo $executionName . ' - ' . zget($lang->execution->cfdTypeList, $type) . $lang->execution->CFD;?> <i class="icon icon-help" data-toggle="tooltip" data-tip-class="tooltip-help" data-placement="bottom" title="<?php echo $lang->execution->charts->cfd->cfdTip;?>"></i></h2>
   <?php if(isset($chartData['labels']) and count($chartData['labels']) != 1): ?>
   <div id="cfdWrapper">
     <div id="cfdChart" style="width: 1200px; height: 600px"></div>