The period of 3 months after surgery is generally regarded as the “early postoperative period”, which is an important stage for recovering from the trauma caused by surgery and its related measures, improving physical fitness, and stabilizing the balance of various systems and organs. During this period, you are advised to do the following: 1. Within 3 months after surgery, in principle, the patient should rest and recuperate adequately. According to your physical condition, arrange work and rest time regularly, and carry out appropriate indoor and outdoor activities, but according to your ability and gradually, in order not to cause shortness of breath, rest immediately when you feel panic and shortness of breath, and reduce the amount of activity; it is not advisable to overwork, overexcite and participate in social activities. 2.Prevent cold and flu, if you feel unwell, you should seek medical treatment. 3, in the diet should pay attention to increase nutrition, eat more fruit, avoid overeating and alcohol abuse, control too salty food, pay attention to dietary hygiene; generally do not avoid food, but if a large number of food with high vitamin K content may affect the anticoagulation. Those who are in a position to consume some nutritional supplements to regulate the immunity of the body. 4, to maintain a happy spirit, relaxed mood, can participate in appropriate recreational activities. 5, life should be regular, ensure sufficient sleep, do not overwork; avoid alcohol abuse and smoking. 6.Continue to take some necessary drugs, such as anticoagulants, digitalis cardiac diuretics and potassium salts, according to the medical advice at the time of discharge. Pay attention to the change of urine volume, swelling and heaviness of limbs during the period of administration. Have your prothrombin time or INR checked regularly at the hospital and decide on future treatment based on the test results.