Maintenance after heart bypass surgery is very important for patients, generally from the postoperative medication, moderate exercise, healthy diet and other aspects of maintenance. 1. After heart bypass surgery, patients can continue to take some medicines to stabilize their condition under the doctor’s guidance, such as enteric aspirin and clopidogrel bisulfate tablets, etc. Patients who suffer from other diseases need to continue to take medicines for treatment. 2. After the operation, patients can carry out some appropriate labor and activities, but it is not recommended to be too strenuous; to maintain a good state of mind, go to bed early and get up early, avoid staying up late for a long time. 3. Diet is recommended to eat some light food, low salt and low sugar, avoid overeating. After heart bypass surgery patients need to be maintained under the guidance of physicians.