The fart and unformed stool are mainly caused by improper diet, irritable bowel syndrome, functional diarrhea, inflammatory bowel disease and intestinal tumors, which require consultation with gastroenterology to clarify the specific causes and then targeted treatment. 1, improper diet: eating fluid and containing beans, radish and other gas-producing foods may result in unformed stool and fart. If you eat a lot of food contaminated by pathogens or raw and cold food, it may also stimulate the intestinal tract, resulting in faster intestinal peristalsis, which can gradually improve after adjusting the diet; 2, irritable bowel syndrome: typical symptoms are more exhaust, abdominal pain or diarrhea, constipation, unformed stools, or alternating diarrhea and constipation. Patients should pay attention to regular life and rest, develop good habits, usually eat more fresh vegetables and fruits, pay attention to abdominal warmth, and enhance physical exercise. Maintain good sleep habits, avoid staying up late, take oral trimethoprim to regulate intestinal dynamics, glutamine capsules to protect intestinal mucosa, and Lactobacillus acidophilus to regulate intestinal flora; 3. Functional diarrhea: mainly manifested as recurrent or persistent increased defecation, thin stool or watery stool, increased exhaust, but not accompanied by abdominal pain or abdominal discomfort. Eating pasta, dairy products, citrus fruits, eggs, onions, caffeine and alcohol should be avoided to help relieve the patient’s diarrhea symptoms. If lifestyle changes are ineffective, medication can be used under the guidance of a doctor, such as loperamide and phenelzine. Such drugs play an anti-diarrheal role by binding to opioid receptors and preventing the release of acetylcholine from cholinergic nerve endings; 4. Inflammatory bowel disease: symptoms such as abdominal pain and diarrhea can occur, accompanied by increased anal exhaustion, mostly purulent stools and fever. Attention should be paid to dietary regulation and nutritional supplementation, and a high nutrition, less residue diet can be given. Folic acid, B12 and other vitamins and trace elements should be given appropriately. If necessary, anticholinergics or antidiarrheal drugs can be given, and broad-spectrum antibiotics can be used for combined infections. If complicated by complete intestinal obstruction, fistula and abscess formation, acute perforation or failure to control massive bleeding, surgical treatment is required; 5. Intestinal tumors: benign and malignant tumors of the intestine may lead to changes in stool properties and excessive exhaustion, which are usually treated by surgical resection according to the stage of the tumor, as well as surgical resection combined with postoperative radiotherapy.