The appearance of fecal fistula after appendicitis surgery is prone to cause obvious intra-abdominal infections, and the clinic needs to take further therapeutic measures, mainly including surgical treatment, anti-inflammatory treatment and daily care. 1. Surgical treatment: the infected intestinal tube should be resected and anastomosed through surgery to avoid leakage of intestinal contents. 2. Anti-inflammatory treatment: regular application of anti-inflammatory drugs is needed to control and prevent the infection from worsening, commonly used drugs include levofloxacin and so on. 3. Daily care: early recovery should pay attention to nutritional support, pay attention to diet control, early intestinal recovery as far as possible to the main stream of food. During the recovery period, if there are obvious symptoms such as abdominal pain, fever, vomiting, etc., it is necessary to be admitted to the hospital in time for observation and standardized treatment under the guidance of clinicians after diagnosis of the condition, so as to avoid delaying the condition.