Compared to adults, appendicitis in children is more likely to spread, have a higher rate of perforation, and cause peritonitis. Once peritonitis occurs, the systemic toxic symptoms are more serious and may even be life-threatening. Early surgery is advocated for appendicitis in children. Children aged 3-5 years have a thinner appendix wall, shorter greater omentum, and the infection is prone to spread, so early surgery should be performed. The treatment of appendicitis includes surgical and non-surgical treatment, and the non-surgical treatment includes anti-inflammatory treatment and symptomatic treatment. Surgical treatment is mainly appendectomy, and abscess drainage can be performed if necessary. For advanced pediatric appendicitis, where the local infiltration is more severe and the appendiceal lesion is adherent to the surrounding area, forced surgery may lead to perforation or risk of spreading infection, and non-surgical conservative treatment may be chosen first. In older children with slow disease progression, early non-obstructive appendicitis, and contraindications to surgery, conservative treatment may be chosen first; simple appendicitis may be treated temporarily with infusion, and if there is a tendency for the infection to spread, surgery should be performed promptly. Appendiceal abscess and spastic appendiceal mass formation can also be treated conservatively first.