Bloating after heart surgery may be caused by incomplete recovery of heart function and slowing down of intestinal peristalsis. 1. After heart surgery, as the heart function has not fully recovered, the blood circulation is not smooth, which may affect the function of the gastrointestinal tract, and then there is a bloated stomach. In this case, it is recommended to pay attention to rest, and observe the patient’s heart function after the operation. 2. After heart surgery, the patient’s digestive function has not been restored to the normal state, there will be intestinal peristalsis slowed down, manifested as bloating, this situation requires attention to adjust the diet, it is recommended to eat easily digestible food, do not oversupplementation. After heart surgery, if the bloating continues to be unrelieved, it is recommended to consult a doctor in time and follow the doctor’s instructions for treatment.