If the weakness of limbs after surgery is caused by pathological factors, such as calcium and potassium deficiency, it needs to be supplemented in time. If it is caused by physiological factors, such as excessive consumption during surgery and prolonged fasting before the surgery, it needs to adjust the diet under the guidance of the doctor. 1. Weakness of limbs caused by pathologic factors: as some patients will have electrolyte disorders after surgery, a large amount of electrolyte loss may occur such as calcium deficiency and potassium deficiency, and there may be weakness of limbs, fatigue and other symptoms, which can be exogenously supplemented under the guidance of the doctor. In addition, the weakness of limbs caused by the influence of anesthesia drugs in the early postoperative period does not need special diet. 2. Physiological factors leading to limb weakness: If the symptoms of limb weakness are caused by malnutrition due to excessive consumption of surgical trauma and prolonged preoperative fasting, it is necessary to adjust the dietary structure under the guidance of the doctor, and eat more high-protein and high-nutritional foods, such as fish, chicken soup, etc., and also supplement some vitamins, such as fruits and vegetables, as appropriate. After surgery, the patient’s consumption needs balanced nutritional supplementation, a reasonable diet, to avoid aggravating the burden on the gastrointestinal tract, if there is a long-term weakness of the limbs need to consult a doctor in time, active treatment.