Anastomotic fistulas are generally characterized by dynamic changes in the size of the fistula to determine the trend or direction of healing. If the patient’s fistula gradually become smaller, the patient’s health is good and there is no infection, it means that the anastomotic fistula has begun to heal, usually within two months can be recovered. If the patient’s fistula gradually become bigger, physical condition decline, may be due to the fistula infection, need to go to the hospital in time for treatment, if the treatment is not timely may lead to chest, abdominal cavity infection. Anastomotic fistula patients in daily life should pay attention to wound cleanliness and hygiene to prevent infection, timely to the hospital for dressing change. In terms of diet, pay attention to the light to eat more vitamin-rich fruits and vegetables, eat more easy to digest food, prohibit spicy stimulating food. Patients are advised to go to the hospital for review on time.