Sweating after cardiac bypass may be due to phytoneurological dysfunction, drug effects, etc. If the situation is serious, it is recommended that you should consult a doctor in time to identify the cause of the disease and then treat it. 1. Phytoneurotic dysfunction: cardiac bypass surgery requires opening the chest, which is more damaging to the body. Older patients will recover more slowly after the surgery, and their nutritional status will not be able to keep up with the sweating that occurs during the recovery period, which is clinically considered to be the cause of a phytoneurotic dysfunction. 2. Drug effects: heart bypass surgery, the use of anesthesia, the adverse effects of sweating, with the excretion of anesthesia drugs and their efficacy gradually weakened. If the situation is serious, it is recommended to ask the doctor in time, under the guidance of the doctor to correct. Remind the patient: If the patient’s heart bypass after the old sweating, the situation is serious, it is recommended to immediately consult a doctor, under the guidance of a professional doctor for treatment.