Stomach pain and the desire to defecate are common clinical symptoms, which may be caused by fecal irritation, acute enteritis, irritable bowel syndrome, rectal submucosal abscess, or in severe cases, may be related to tumors, or in the case of pregnant women, may also be related to the imminent delivery in late pregnancy or early pregnancy with pre-eclampsia, and require targeted treatment after clarifying the specific causes.1. Fecal irritation: As feces accumulates in the rectum to a certain amount Stimulate the intestinal mucosa to speed up intestinal peristalsis, will produce a burst of intestinal cramps phenomenon, produce the desire to stool, promote defecation. When you have a strong urge to defecate, you should defecate in time, and the abdominal pain can gradually disappear with defecation. If the repeated inhibition of defecation may aggravate the abdominal pain or lead to constipation, you can use corkage under the premise of medical advice to help smooth defecation; 2, acute enteritis: some patients eat unclean, moldy, bacterially infected food, can cause acute gastroenteritis, abdominal pain, abdominal distension, as well as diarrhea, want to stool. The symptoms can be improved by adjusting the diet and adding antibiotics and flora regulators as appropriate; 3. Irritable bowel syndrome: patients are affected by emotions as well as food, resulting in abdominal pain, diarrhea and wanting to stool. It is recommended to go to the hospital for further examination to exclude organic disease factors, consider oral antidiarrheal drugs, as well as drugs to promote digestion and probiotic conditioning; 4, rectal submucosal abscess: inflammation of the anal gland repeatedly infected, resulting in rectal submucosal abscess, accompanied by fever, perianal swelling and pain, laboratory tests will also significantly increase the blood picture, which may lead to stomach pain and want to stool. The most effective treatment for rectal submucosal abscess is to choose surgical incision and drainage; 5. tumors: some patients are caused by malignant tumors of the rectum or colon, which manifest as abdominal pain, a feeling of urgency, blood in the stool, and unshaped stools. The cause of malignant tumors is related to the malignant transformation of polyps and benign ulcers. Patients with early diagnosis should promptly opt for surgical treatment, usually radical resection, either open surgery or laparoscopic surgery. After surgery also need to choose adjuvant intravenous chemotherapy to prevent recurrence and metastasis according to the needs of the disease; 6, other conditions: If a pregnant woman has stomach pain and wants to stool, it may be late pregnancy is about to give birth, there may also be a pre-eclampsia miscarriage in early pregnancy, you need to go to the hospital in time to avoid danger. No matter which of the above, in the daily diet should not eat cold, frozen, irritating food and do not overeat, in terms of mental state to avoid stress, anxiety and other adverse emotions to reduce the gastrointestinal tract stimulation, to promote gastrointestinal health.