The pain on the right side of the stomach excludes appendicitis, consider the following aspects caused by: 1, consider the intestinal digestive and absorption disorders caused by. The pain on the right side of the stomach is caused by the disorder of digestion and absorption of the intestines of the body due to the lack of attention to diet and frequent overeating. 2. The pain on the right side of the stomach is caused by urinary system diseases, including inflammation of the urinary system and urinary stones. The actual pain in the stomach caused by urinary system disease is accompanied by frequent urination, urgent urination, painful urination and blood in the urine, which can be clarified by performing urinary ultrasound and routine urinalysis. 3, female comrades also need to consider gynecological diseases, including gynecological inflammation and ovarian cysts, uterine fibroids and other causes, which need to go to the gynecological department of the hospital and do gynecological ultrasound and gynecological examination to clarify.