Early manifestations of appendicitis are mainly abdominal pain, there may also be nausea, vomiting, diarrhea, fever and other symptoms, and there is no fixed 6 manifestations, and the performance of different patients is different. Appendicitis is mainly an infection of the appendix in the right lower abdomen, inflammatory changes, can be divided into acute appendicitis and chronic appendicitis. The typical manifestation of acute appendicitis is metastatic right lower abdominal pain, which is mainly in the epigastric region in the early stage, and then gradually shifted to the right lower abdomen and confined to the right lower abdomen, but there are also some patients who have pain in the right lower abdomen at the beginning. Chronic appendicitis is mainly characterized by frequent lower right abdominal pain, which can trigger an acute attack after strenuous activity or improper diet. In addition to abdominal pain, patients with appendicitis may have nausea and vomiting in the early stages due to reflex stomach cramps, and may also have diarrhea, fever, and back pain. The clinical manifestations are different for each patient and the early symptoms are not fixed. It is recommended that patients with these symptoms be treated promptly to avoid aggravation of the condition.