Long-term diarrhea can be regulated by supplementing intestinal probiotics or by using Ginseng and Atractylodes or Pill. Some people with long-term diarrhea are mainly caused by the decline of intestinal immunity and imbalance of intestinal flora, which can be improved by supplementing intestinal probiotics. Supplementing intestinal probiotics can improve the presence of beneficial bacteria in the intestine, inhibit the growth of harmful bacteria, and improve the absorption and secretion function of the intestine, which has a regulatory effect on diarrhea. Some people with long-term diarrhea are caused by weakness of the spleen and stomach, so they can use the method of traditional Chinese medicine for regulation. Ginseng and Atractylodes can improve the function of the spleen and stomach, with the function of removing dampness and stopping diarrhea, especially for the symptoms caused by Taiyin spleen deficiency. Fengshi Rizhong Wan can improve the function of the spleen and stomach, and has the effect of dispelling cold and warming yang, and has an adjusting effect on abdominal pain, cold hands and feet, diarrhea, and spleen and stomach deficiency cold.