pph surgery is hemorrhoid surgery, postoperative hemorrhage may be the wound location bleeding, past history of bleeding disorders, long-term use of anticoagulants and other factors. 1. Wound location: when the surgery is anxious to get out of bed activities, may lead to wound rupture and thus cause hemorrhage; may also be the wound suture is not good resulting in bleeding ulceration; at this time, we must actively search for the bleeding site, re-suture the wound, if necessary, re-operation, and at the same time, to open the venous pathway to replenish fluids, if the bleeding is large amount of red blood cells can be transfused with concentrated. 2. Previous history of bleeding disorders: for example, idiopathic thrombocytopenic disorder, hemophilia, etc., will increase the risk of bleeding, which is the emergence of postoperative bleeding, active treatment of the primary disease, such as transfusion of platelets, etc., and at the same time, clear the bleeding site to stop bleeding. 3. Long-term use of anticoagulant drugs: cardiovascular disease, such as acute myocardial infarction, will be long-term oral aspirin enteric-coated tablets and other antiplatelet aggregation therapy, which will increase the risk of bleeding, at this time, you can assess to see whether the drug can be discontinued. Postoperative bleeding must actively identify the cause of the disease, find the bleeding site, stop bleeding.