Si Shen Wan can treat colitis of the spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys) type. The main effects of Si Shen Wan are warming the kidney and spleen, fixing the intestines and stopping diarrhea. It is often used for treating the symptoms of Wujian Di Diarrhea (diarrhea before dawn) caused by Spleen and Kidney Yang Deficiency, inappetence, indigestion, or prolonged diarrhea that doesn’t go away, abdominal pain that likes warmth, lumbar soreness and coldness of the limbs, and Shen Fatigue (lack of mental energy), and Lassitude (mental fatigue and physical weakness). Spleen and kidney yang deficiency type of colitis clinical manifestations of diarrhea prolonged for a long time, abdominal pain like warmth, abdominal distension, lumbar soreness and knee weakness, less food, cold (cold body) cold limbs, fatigue and laziness. Therefore, Si Shen Wan can treat colitis caused by spleen and kidney yang deficiency. The use of drugs should be under the guidance of a doctor, during the application of drugs should pay attention to the diet light and easy to digest, avoid eating greasy, spicy, cold, too sweet, too sour and other foods.