diff --git a/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderService.java b/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderService.java
index 48dec94..fc7a6ed 100644
--- a/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderService.java
+++ b/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderService.java
@@ -26,7 +26,7 @@ import com.axelor.apps.purchase.db.PurchaseOrder;
 import com.axelor.auth.db.User;
 import com.axelor.exception.AxelorException;
 import com.google.inject.persist.Transactional;
-
+import com.axelor.apps.base.db.CancelReason;
 import wslite.json.JSONException;
 
 import java.net.MalformedURLException;
@@ -112,4 +112,6 @@ public interface PurchaseOrderService {
   public void finishPurchaseOrder(PurchaseOrder purchaseOrder);
 
   public void cancelPurchaseOrder(PurchaseOrder purchaseOrder);
+  
+  public void cancelReasonPurchaseOrder(PurchaseOrder purchaseOrder, CancelReason cancelReason, String cancelReasonStr);
 }
diff --git a/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderServiceImpl.java b/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderServiceImpl.java
index 51b7c55..403e96a 100644
--- a/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderServiceImpl.java
+++ b/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/service/PurchaseOrderServiceImpl.java
@@ -57,7 +57,7 @@ import com.axelor.inject.Beans;
 import com.google.common.base.Strings;
 import com.google.inject.Inject;
 import com.google.inject.persist.Transactional;
-
+import com.axelor.apps.base.db.CancelReason;
 import wslite.json.JSONException;
 
 import java.lang.invoke.MethodHandles;
@@ -528,4 +528,20 @@ public class PurchaseOrderServiceImpl implements PurchaseOrderService {
       importationFolderRepository.save(importationFolder);
 
   }
+  
+  
+  @Override
+  @Transactional
+  public void cancelReasonPurchaseOrder(
+      PurchaseOrder purchaseOrder, CancelReason cancelReason, String cancelReasonStr){
+ 
+    purchaseOrder.setStatusSelect(PurchaseOrderRepository.STATUS_CANCELED);
+    purchaseOrder.setCancelReason(cancelReason);
+    if (Strings.isNullOrEmpty(cancelReasonStr)) {
+      purchaseOrder.setCancelReasonStr(cancelReason.getName());
+    } else {
+      purchaseOrder.setCancelReasonStr(cancelReasonStr);
+    }
+    purchaseOrderRepo.save(purchaseOrder);
+  }
 }
diff --git a/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/web/PurchaseOrderController.java b/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/web/PurchaseOrderController.java
index b3d632d..71dde02 100644
--- a/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/web/PurchaseOrderController.java
+++ b/modules/axelor-open-suite/axelor-purchase/src/main/java/com/axelor/apps/purchase/web/PurchaseOrderController.java
@@ -538,4 +538,20 @@ public class PurchaseOrderController {
       TraceBackService.trace(response, e);
     }
   }
+  
+  public void cancelReasonPurchaseOrder(ActionRequest request, ActionResponse response) {
+      try {
+        PurchaseOrder purchaseOrder = request.getContext().asType(PurchaseOrder.class);
+		Beans.get(PurchaseOrderService.class)
+			.cancelReasonPurchaseOrder(
+				Beans.get(PurchaseOrderRepository.class).find(purchaseOrder.getId()),
+				purchaseOrder.getCancelReason(),
+				purchaseOrder.getCancelReasonStr());
+
+		response.setFlash(I18n.get("The purchase order was canceled"));
+		response.setCanClose(true);
+	} catch (Exception e) {
+      TraceBackService.trace(response, e);
+    }
+  }
 }
diff --git a/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml b/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml
index ea5f96f..f783437 100644
--- a/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml
+++ b/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml
@@ -70,6 +70,9 @@
 	<many-to-one name="importationFolder" ref="ImportationFolder" title="Dossier d'importation" />
 
 	<many-to-one name="purchaseRequestOrigin" ref="com.axelor.apps.purchase.db.PurchaseRequest" title="Purchase Request" />
+	<many-to-one name="cancelReason" title="Cancel reason" ref="com.axelor.apps.base.db.CancelReason"/>
+	<string name="cancelReasonStr" title="Cancel Reason" large="true"/>
+	
 
   	<unique-constraint columns="purchaseOrderSeq,company"/>
   	
@@ -98,6 +101,8 @@
    	</extra-code>
 	  
 	<track>
+	  <field name="cancelReason" />
+	  <field name="cancelReasonStr" />
       <field name="purchaseOrderSeq" />
       <field name="supplierPartner" />
       <field name="statusSelect" on="UPDATE"/>