Tonsil surgery refers to tonsillectomy, you can drink fish soup after surgery, but should avoid too hot and too spicy, and should avoid accidentally swallowing foreign objects in the pharynx caused by fish spines. Post-tonsillectomy diet is mainly to pay attention to the postoperative 4~6 hours after the cold liquid diet, such as pure milk, rice soup, etc., and can be changed to a semi-liquid diet the next day after the trauma has a white membrane grows out. Fish soup belongs to the fluid diet, and is rich in protein and other nutrients, can be eaten after tonsil surgery, is conducive to supplemental nutrition. However, when cooking fish soup, you should avoid adding too much chili, ginger and other spicy seasonings, and also avoid drinking it when it is too hot, so as not to irritate the throat and cause pain. On the day of surgery, you should rest more in bed, talk less, and try to avoid crying, coughing and sneezing to prevent bleeding. Oral hygiene should also be observed to avoid infection. If symptoms of infection occur, you should consult your doctor and be guided by him/her for treatment.