Objective To explore the clinical manifestations,diagnosed main points,laparoscopic trestment strategy of ectopic appendicitis.Methods The 19 clinical data of ectopic appendicitis,from April 2011 to April 2015 in our hosipital,were retrospective analysised,and we sum up the clinical manifestation,diagnosis and treatment,laparoscopic exploration indications and the technique of laparoscopic appendectomy.Laparoscopy exploration and laparoscopic appendectomy were made on all patients under general anesthesia by tracheal cannula.Results Of 19 patients,16 cases by ultrasonic examination get correct diagnosis before operation,of which the ultrasound diagnosis rate is 92.63％,3 limitations of acute peritonitis patients were preoperative misdiagno~s,they were the right kidney stones,acute cholecystitis and the right side of the annex inflammation;there were 2 patients converted to open operation,and the transfer rate is 10.53％.The blood loss of the operation is about 5-20 mL.They were ambulant after 9 hours,in full flow diet after 12 hours,and the average hospitalization time is 4 days.One patient,no other long-term complications were found postoperatively follow-up of 12 to 18 months,were poke holes in infection,and the complications of laparoscopic surgery is 5.27％.Conclusions Ectopic acute appendicitis has no specific clinical manifestation,and is easy to misdiagnosis.In the auxiliary examination,ultrasound is the first choice for the diagnosis of ectopic appendictis.Laparoscopy exploration and laparoscopic appendectomy are the ideal treatments of emergency treatment of ectopic appendicitis,and are worth of clinic application.