The causes of postoperative bleeding of prostate enlargement include incomplete intraoperative hemostasis, coagulation dysfunction, diabetes mellitus, etc. Increased blood clots can be treated by surgery again, controlling blood sugar and improving coagulation function. 1. Incomplete intraoperative hemostasis, postoperative blood clotting, if the hemostatic drugs (such as sodium chloride injection) is ineffective, we need to consider re-operation, electrocoagulation hemostasis and so on. 2. Coagulation dysfunction: Coagulation dysfunction, bleeding risk, poor hemostasis, need to actively improve the coagulation function, can be transfused plasma, cold precipitation, etc.. 3. Diabetes mellitus: diabetic patients with poor blood glucose control and poor wound healing need to control blood glucose to promote early wound healing. Bleeding after prostate enlargement surgery is also related to exercise, diet, etc., need to follow the doctor’s instructions. The above drugs need to be used under the guidance of a professional physician, to avoid blind use of drugs, so as not to aggravate the condition.