A vague pain on the right side of the body requires an indication of the exact location. Most patients refer to the right side of the abdomen, because in addition to the abdomen is the extremities. There are several causes of vague pain on the right side of the abdomen, such as chronic appendicitis, cholecystitis, gallstones, ureteral stones, etc., which can cause vague pain on the right side of the abdomen. It is recommended to visit the general surgery department of a regular hospital to further clarify the diagnosis through the doctor’s examination. Female patients are better to go to gynecology department for examination to see if it is caused by pelvic inflammatory disease or other gynecological diseases. In addition, muscle aches and pains should be considered, such as overexertion or prolonged maintenance of one posture, resulting in muscle strain and causing vague pain in the right side of the abdomen.