Patients with brown stools, the causes are mainly divided into physiological and pathological, physiological causes of symptoms can be self-relieved, pathological factors need to be treated to lift the symptoms. Common causes: 1, physiological: 1, food: if patients eat darker food, such as duck blood, chicken blood, sheep blood, pig blood, animal liver, etc. may appear brown stools; 2, drugs: patients who take certain herbs, such as angelica, he shou wu, rehmannia, as well as gastric mucosa protective agents, oral iron, bismuth, biochar, etc. may also appear brown stools. Second, pathological: pathological causes of brown stools are mainly gastrointestinal bleeding, such as peptic ulcer, inflammation of the gastric mucosa, esophagogastric fundic varices caused by portal hypertension, tumorigenic lesions of the upper gastrointestinal tract, blood disorders, uremia and other causes of gastric, esophageal and duodenal bleeding, which can lead to brown stools, small intestine and large intestine bleeding can also lead to dark stools. Treatment For brown stools caused by physiological reasons, patients do not need to worry too much, once they stop eating foods and drugs that cause brown stools, the stool color can gradually return to normal. For brown stools caused by pathological factors, patients should go to the hospital for examination in a timely manner to clarify the cause and then follow medical advice for treatment to avoid aggravation of the disease, such as mild bleeding in the digestive tract can be treated with drugs to stop bleeding, inhibit gastric acid secretion or growth inhibitors, and when there is heavy bleeding, treatment should be carried out as soon as possible through endoscopic, interventional and surgical methods.