The treatments for appendicitis after perforation and formation of parcel include general treatment, antibiotic treatment, drainage of appendiceal abscess, surgical treatment and so on. 1. General treatment: bed rest, liquid diet, fluid replacement. 2. Antibiotic treatment: apply effective antibiotics (gentamicin, ampicillin) and metronidazole in combination. 3. Drainage of appendiceal abscess: if the swelling keeps increasing during conservative treatment, conservative treatment is ineffective, and the patient’s symptoms of infection worsen, ultrasound-guided puncture and extraction of pus, irrigation or tube drainage and surgical incision and drainage can be performed. 4. Surgery: Generally, it is necessary to wait for 3~6 months before elective surgery to remove the appendix. Patients with perforated appendicitis forming a parcel should go to the hospital in time and receive standardized treatment under the guidance of the doctor.