Diarrhea is known as diarrhea in Chinese medicine, which is divided into cold and dampness in the intestines, dampness and heat in the large intestines, food stagnation in the stomach and intestines, weakness of the spleen and stomach, deficiency of the liver and spleen, and deficiency of the kidney and yang, and its treatment is evidence-based. 1. Cold-dampness of the intestinal tract: clear diarrhea, such as watery, stuffy epigastrium and little food, white and greasy tongue coating, moist and slow pulse. The treatment is to use Huo Xiang Zheng Qi San plus reduction. 2. Damp-heat in the large intestine: symptoms include diarrhea and abdominal pain, urgency, yellowish-brown and smelly feces, burning in the anus, short and yellowish urine, red tongue, yellowish-greasy moss, and slippery pulse, etc. The formula adopts the formula of Ge Ge Ge Qin Lian Tang with additions and subtractions. 3. Food stagnation in the stomach and intestines: abdominal pain and intestinal tinnitus, diarrhea that smells like rotten eggs, mixed with undigested food, belching, putrefaction and sour smell, cloudy and greasy moss, slippery pulse, etc. The formula is Baoho Wan plus subtractions. The treatment is to use Baohe Pill plus subtractions. 4. Weakness of the spleen and stomach: diarrhea and loose stools, delayed, dullness, fatigue, yellowish color, pale tongue, white moss, weak pulse. The formula is Ginseng Ling Bai Zhu San plus subtractions. 5. Liver depression and spleen deficiency: abdominal pain and diarrhea occurring every time due to emotional tension, attack and run for pain, pale red tongue with thin white coating, thin pulse, etc., using pain and diarrhea prescription plus or minus treatment. 6. Kidney yang deficiency: diarrhea mostly before dawn, intestinal tinnitus that is diarrhea, diarrhea that is safe, cold limbs, lumbar and knee soreness, tongue pale moss white, pulse is thin, etc., the treatment of choice of the four god pill plus reduction. If the symptoms of diarrhea, it is recommended to consult a clinician in a timely manner, should consult a clinician, follow the doctor’s instructions to take medication, so as not to delay the condition.