Hidden pain in the right side of the abdomen is considered to be the result of chronic appendicitis, chronic hepatitis, and enteritis. 1. Chronic appendicitis: patients due to acute inflammation of the appendix after the decline of the appendix of chronic inflammatory lesions, such as appendiceal distortion, adhesion with surrounding tissues and lumen narrowing or occlusion. Patients often appear right lower abdominal pain, hidden pain or swelling pain, sometimes light and sometimes heavy, the site is more fixed, so the right side of the abdomen can be seen hidden pain performance. 2. Chronic hepatitis: patients’ liver cells are destroyed due to alcohol, viral infection, drugs and other reasons, thus liver function is damaged, which causes abnormal liver function indexes and physical discomfort. Patients often have abdominal distension, decreased appetite, anorexia of greasy food, fatigue and vague pain in the liver area, etc., which can be seen in the right side of the abdominal pain. 3. Enteritis: the patient’s intestinal tract is infected by bacteria, fungi, parasites, viruses and other pathogens, resulting in inflammation. Patients may have chronic episodes of abdominal pain, diarrhea and dyspepsia and other symptoms, and severe cases may even have mucus stool or watery stool. When the inflammation involves the ascending colon, the manifestation of hidden pain in the right side of the abdomen can be seen. In addition to the above, patients with chronic cholecystitis, pelvic inflammatory disease, adnexitis and urological diseases may also have hidden pain in the right side of the abdomen. Once found, it is recommended to consult the hospital as soon as possible to be actively treated.