From the perspective of traditional Chinese medicine, prolonged diarrhea, the child is young, the spleen and stomach is weak, prolonged diarrhea injures the spleen and kidney yang, the spleen and kidney are deficient, the stool is loose and sometimes diarrhea, it is repeated, less food, after eating, the epigastric stuffiness is not comfortable, a little into the greasy food, then the stool frequency increases, the face is atrophied, fatigue, the tongue is light, the coating is white, the pulse is weak. If the spleen and yang are deficient and the yin is cold, use Rizhong Pill to warm the middle and disperse the cold. If the diarrhea does not heal for a long time, the middle qi is sunken, and there is also prolapse, we can use tonic middle benefit qi soup, and reuse astragalus and dang ginseng to benefit qi and ascend clear, and strengthen the spleen to stop diarrhea. Chinese medicine: Si Shen Wan and Tonifying Zhong Yi Qi Tang plus or minus. Bupleurum 10, Schisandra chinensis 10, nutmeg 10, Cornus officinalis 10, Astragalus membranaceus 15, Radix Codonopsis pilosulae 15, Atractylodes macrocephala 15, Phellodendron charcoal 10 Diyu charcoal 10 roasted licorice 5. Can be decocted and enema used together or alone, a small amount of frequent, enema method: 20ml of warm thick juice is instilled into the rectum and retained for 1-2 hours effective.