Depending on the course and severity of acute appendicitis, it is often divided into four types: simple, purulent, gangrenous and perforated appendicitis and periappendiceal abscess. Acute simple appendicitis is the early stage, and if it can be seen and treated surgically at this stage, it is safe and can prevent complications. However, if surgery is performed only after suppuration, gangrene, or perforation, it is difficult to operate and postoperative complications increase significantly. When the appendix is septic or gangrenous, the inflammation invades the arteries of the appendiceal tract, causing embolism of the small arteries of the appendiceal tract and embolic phlebitis, resulting in chills, chills, high fever, jaundice, and even bacterial emboli that can reach the liver with blood flow and cause multiple liver abscesses. In some cases, the infection of appendicitis invades the skeletal vein and inferior vena cava, and the embolus reaches the lung with the blood flow, causing lung abscess or sepsis and septicemia. Once the appendix is perforated, it can cause diffuse peritonitis, especially in the elderly and children. Complications such as pelvic abscess, subdiaphragmatic abscess, multiple inter-intestinal abscesses, and even sequelae such as abdominal sinus tracts, intestinal fistulas, and adhesive intestinal obstruction can occur if not treated in time or improperly handled. Even in today’s world of antimicrobial agents, the mortality rate of patients with acute appendicitis is 0.1-0.5% according to medical statistics, so acute appendicitis should not be taken lightly. If the diagnosis of acute appendicitis is made, surgery is the best treatment. In general, appendectomy is not complicated and the procedure is not difficult. In some patients, the appendix is superficial and can be seen when the abdominal cavity is opened. In some patients, the appendix is superficial and can be seen when the abdominal cavity is opened, and even in some patients, the appendix pops out automatically after opening the abdominal cavity, often referred to as the “morning” appendix by the medical profession. However, in most patients, the appendix is congested, edematous and adherent, so it is not easy to find the appendix during surgery, especially in some patients with ectopic appendix, short appendix, multiple appendiceal malformations and other special cases, which often makes it difficult for some senior surgeons. Acute appendicitis is an inflammatory disease caused by bacteria, so it is reasonable to use some antibacterial agents after appendectomy, and the patient should get out of bed early to avoid future intestinal adhesions. Generally, patients should eat only after anal exhaustion and defecation after surgery. For the first few days, the patient should eat a clear, nutrient-rich, easily digestible liquid or semi-liquid diet. Incisional infection is a common complication after appendicitis surgery, especially if the appendix has become septic, gangrenous or perforated, and it is difficult to avoid incisional infection even though the surgeon uses all his 18 skills to clean and disinfect the incision during surgery. A variety of postoperative measures, such as physical therapy, should be taken. The infection of the incision should be detected in time, propped open and drained, and the change of medication should be cleaned to remove the decaying tissue and remove the threads to speed up the healing of the incision.