Heart bypass surgery is the creation of a channel between the proximal and distal ends of a narrowed coronary artery, allowing blood to bypass the narrowed area and reach the distal end, just as a bridge allows a highway to pass unobstructed across a mountain gorge or river. However, the materials used are not steel and concrete, but the saphenous vein, internal mammary artery, right gastroretinal artery, radial artery, and inferior abdominal wall artery. “Heart bypass” is the ideal treatment for coronary heart disease, what should be noted in the rehabilitation of patients after heart bypass? 1, wound care diligently when discharged from the hospital, there is a slight redness, pain, swelling at the wound, sometimes even last for several months, this is a normal phenomenon. After returning home, the wound should be checked frequently, and if signs of infection are found, you should go to the hospital in time. The wound should be rinsed with water or antibacterial soap daily and the wound should be covered with a sterile dressing. The ankle may be swollen for several weeks after surgery. You can wear elastic stockings or elevate the affected limb at rest to reduce the swelling. 2.Scientific arrangement of diet After surgery, you should ensure the intake of appropriate amount of fruits and vegetables every day, and eat more foods with high protein content (such as fish, eggs, etc.) and foods containing unsaturated fatty acids (such as corn oil, olive oil, sunflower oil, etc.), and less foods with high saturated fatty acid content (such as animal oil, cream, etc.). 3, a small amount of alcohol and strict prohibition of smoking after surgery is best not to drink alcohol, up to 50 ml of red wine per day. Smoking is an important risk factor for heart disease, so smoking should be strictly prohibited. 4, more rest in the postoperative recovery period of 4-6 weeks, to ensure 8-10 hours of sleep per day. All activities should be arranged after sufficient sleep, and the amount of activities should be appropriate without feeling strained. 5.Appropriate participation in activities After discharge from the hospital, you can first walk for 10 minutes in the morning and evening, and gradually increase the speed and extend the distance after a few days. In the process of increasing the amount of exercise, if there is a slight headache, fatigue, sweating, body aches and other symptoms are normal. If angina attacks while exercising (such as walking), nitroglycerin should be taken under the tongue immediately. If it is still not relieved, or accompanied by shortness of breath, sweating, pain for more than 15 minutes, you should go to the hospital as soon as possible. Exercise in the summer should be chosen in the morning or evening when the weather is cool, and in winter can be chosen in the gym.