Causes of brown mucus in stools include poor diet, ulcerative colitis, and stomach bleeding. Measures to be taken include improving dietary structure, taking medication, and so on. 1. Improper diet: If the patient likes to eat animal blood products, spinach, animal offal and other foods, the iron in the food will combine with hydrogen sulfide to cause brown mucus in the stool. Patients can reduce the consumption of iron-rich foods, and at the same time eat easily digestible foods, such as tofu, dairy products, beans and other foods, to avoid stimulating the intestinal secretion of more fluid. 2. Ulcerative colitis: patients suffering from ulcerative colitis may have brown mucus in the stool, which can be relieved by the use of Liuzosulfapyridine suppositories and Levofloxacin Hydrochloride for anti-inflammatory and anti-bacterial purposes, and Montelukast for stopping diarrhea. 3. Gastric hemorrhage: patients with a small amount of gastric hemorrhage may also have the above symptoms. Ranitidine, omeprazole and other drugs can be taken to inhibit the secretion of gastric acid, and Yunnan Baiyao capsules can be taken orally to reduce the amount of bleeding to alleviate the symptoms. Stool with brown mucus, there are many other reasons, if the patient with brown mucus in the stool, must be timely to the hospital, physical examination, colonoscopy, fecal occult blood test and other tests to determine the cause of the disease, to give targeted treatment.