Hidden pain in the right lower part of the stomach does not hurt when drinking water, which may be caused by intestinal cramps, appendicitis, chronic gastroenteritis and other factors. It is recommended that patients should go to the hospital in time, conduct relevant examinations, make a clear diagnosis, and give appropriate treatment. 1. Intestinal spasm: generally caused by intestinal dysfunction, poor digestion and other factors, so that the patient’s abdominal smooth muscle will contract strongly. It causes the patient to have hidden pain in the right lower part of the stomach, which is not painful when drinking water. 2. Appendicitis: generally due to the appendix lumen blockage or accompanied by bacterial infection and other factors, mainly manifested in the right lower abdominal pain. Sometimes patients drink water right lower abdomen pain relief, may be appendicitis. 3. Chronic gastroenteritis: generally due to gynecological diseases or cold and other factors. It causes the patient to have the symptom of pain in the right lower part of the stomach, which is not painful when drinking water, accompanied by nausea, weakness, diarrhea and so on. It is recommended to go to the hospital in time, standardized diagnosis and treatment, so as not to delay the condition. In addition, the diet should be light, avoid spicy, cold and other stimulating food.