You can eat beef and mutton after anal fistula surgery, but you should not eat too much at one time. Anal fistula is an infectious disease of the perianal area, mainly secondary to perianal infection or perianal abscess and other diseases. Anal fistula patients can eat beef and mutton surgery, because beef and mutton is a high protein food, but also contains calcium, iron, phosphorus, folic acid, vitamin B and other nutrients, the patient’s postoperative body will be relatively weak, moderate consumption of such food will help to replenish the body with proteins and nutrients, and will be conducive to the healing of wounds, and so on. Patients should not eat too much food or long-term consumption, because meat food is not easy to digest, excessive consumption may cause bloating, indigestion, constipation and other symptoms, defecation may cause defecation difficulties, affecting the recovery of anal fistula wounds. It is recommended that patients with anal fistula to drink more water after surgery, to light and easy to digest food, avoid spicy and stimulating food, pay attention to personal hygiene, regular checkups, etc.; in the dietary precautions in doubt, it is recommended to consult the medical staff, conducive to a better postoperative recovery.