Hidden pain in the abdomen constipation and diarrhea is common in the irritable bowel syndrome, gastrointestinal dysfunction and other diseases, can be treated by taking montelukast, domperidone and other drugs. 1. Irritable bowel syndrome: patients should maintain a good mood and mental state, if necessary, can take antidiarrheal drugs such as montelukast, or laxatives such as lactulose, etc. for treatment, in order to relieve constipation or diarrhea symptoms. 2. Gastrointestinal dysfunction: patients should develop good dietary habits, avoid spicy, cold and other stimulating foods, avoid overeating, if necessary, can take omeprazole, domperidone and other drugs. 3. Intestinal tuberculosis: patients may combine with tuberculosis symptoms at the same time, such as low-grade fever, night sweating (sweating abnormally after going to sleep, and the sweating stops after waking up), and fatigue. The main treatment is to take anti-tuberculosis drugs, such as isoniazid, rifampicin, streptomycin, etc. If the condition is serious, surgery can be considered. The above drugs are prohibited for those who are allergic to them and should be taken in accordance with medical advice. If the patient has a hidden pain in the abdomen, constipation and diarrhea, it is recommended to go to the regular hospital in time, after clarifying the cause of the disease, under the guidance of the doctor for targeted treatment.