The main points of the identification of diarrhea are to identify the cold and heat, to identify prolonged diarrhea and violent diarrhea, to identify the deficiency and solidity, and to identify the characteristics of the symptoms. 1. Identify cold and heat, the stool is not dissolved, or the stool is thin, mostly belongs to the cold evidence. If the feces is urgent, yellowish-brown and smelly, and the anus is burning hot, it is mostly hot. 2. Identify prolonged diarrhea and violent diarrhea, the disease duration is longer, the onset of the disease is slower, diarrhea is intermittent writer, mostly belongs to prolonged diarrhea. Those with shorter duration, more rapid onset and more frequent diarrhea are more likely to have violent diarrhea. 3. Identify the real, generally acute diarrhea, diarrhea, abdominal pain, pain is urgent, pain refuses to be pressed, diarrhea after the pain is reduced, mostly for the real performance. Chronic diarrhea, longer duration of the disease, like warm and like to press, recurrent attacks, fatigue, cold limbs, abdominal pain is not very good, mostly for the performance of the virtual evidence. 4. Identify the characteristics of the symptoms, external sense of diarrhea, often accompanied by cold, fever and other superficial evidence. Liver qi by the spleen diarrhea, often accompanied by belching, less food, chest distension and tightness, often due to emotional and emotional anger and triggered. Food stagnation diarrhea, mostly to feces smell like eggs, abdominal pain and intestinal tinnitus, after diarrhea, pain is reduced as the characteristics. Kidney yang deficiency and diarrhea is often accompanied by symptoms such as grain failure, loose stools and cold limbs, often occurring at nightfall. Spleen deficiency diarrhea, mostly with loose stools, fatigue and tiredness. The specific dialectic of diarrhea needs to be carried out by a traditional Chinese medicine practitioner, and should not be deduced on its own, blindly using drugs.