There is no clear dietary contraindication after cystectomy, patients can eat pig liver, and also need to pay attention to their own care. Usually, cystectomy is mainly applied to patients with superficial bladder tumors that have not invaded the submucosa. However, there are no clear dietary contraindications for patients after surgery, and patients need to reasonably match their diet to ensure balanced nutritional intake. Therefore, patients can consume pig liver appropriately after surgery, which generally will not affect the postoperative recovery. Meanwhile, patients can be discharged from the hospital on the second day after the operation, and after discharge, they need to follow the doctor’s instructions for regular review, and regularly cooperate with the doctor to infuse chemical drugs for treatment. After the operation, patients need to develop good living and dietary habits, pay more attention to personal hygiene, etc., which is helpful for the recovery of the body after the operation. It is suggested that patients should perform cystectomy under the strict guidance of the doctor, and follow the doctor’s instructions to reasonably match the diet, you can eat pig liver, which generally will not affect the condition.