Chronic diarrhea, also known as chronic diarrhea, refers to frequent diarrhea due to various causes and is characterized by a long duration of illness and prolonged illness. Long-term diarrhea is mainly considered as enteritis, and damage to other parts of the body is not excluded. Poor dietary habits, such as eating too much oil, too cold, and too much, can cause prolonged diarrhea. In addition, some chronic diseases can also cause long-term diarrhea, such as neurological colitis, allergic colitis, ulcerative colitis, Crohn’s disease and some tumor diseases can appear the symptoms of long-term diarrhea. Long-term diarrhea should be treated in a timely manner. First of all, we should go to the hospital for relevant examination to exclude other parts of the disease and confirm the diagnosis, and carry out relevant treatment under the guidance of the doctor. It is also important to pay attention to gastrointestinal care, to eat easily digestible food and fresh vegetables and fruits, to avoid spicy stimulating and spicy cold food, to keep the abdomen warm, and to avoid excessive alcohol consumption. Long-term diarrhea is a chronic disease that has a great impact on the body, causing serious impact on health and life and work, and long-term diarrhea can lead to a series of chronic diseases, so we must pay attention to it, actively search for the cause, early detection, early diagnosis and treatment, and prevent the recurrence of the disease.