You can drink some bass soup, sparerib soup, chicken soup and so on. It is beneficial to wound healing. After operation, the patient's diet is very important. It needs semi-liquid food and is easy to swallow and digest. You can choose foods with less crude fiber, such as fine noodles, porridge, vegetable paste, meat sauce, steamed egg cakes, milk and so on. Avoid fried vegetables or irritating condiments containing a lot of crude fiber, and pay attention to supplementing various vitamins and inorganic salts.