Abstract:Objective To summarize the experience of prevention and treatment of sinus after laparoscopic appendectomy. Methods Operation method was decided by the sinus condition: method A, fistula incision and inflammatory granulation shaving; method B, removing he sinus completely. Then compare the efficacy and the risk of operation. Results Cure rate of method A was 66.7 %, cure rate of method B was 100.0 %. The total cure rate was 90.5 %. Sinus wall ruptured in 1 during the process of removing. Conclusions Suitable operation method should decided by the sinus condition, and make the premunition for fistula formation.