Appendicitis is the inflammation of the appendix lumen. If not treated promptly, it can lead to several complications, such as perforation of the appendix. After perforation, pus from the appendix lumen leaks into the abdominal cavity, causing peritonitis, which leads to abdominal pain, tenderness, and rebound pain. Furthermore, if acute appendicitis is not thoroughly treated, it can progress to chronic appendicitis and periappendiceal abscess. A swollen mass can often be felt on the surface of the abdomen in affected patients. Therefore, active treatment for appendicitis is essential. The principle treatment is surgical removal of the appendix. For mild cases of appendicitis, medical conservative observation and treatment can also be chosen.