Four Spirits Tang is composed of nutmeg, tonic oil, schizandra, and wu zhu zi, and has the effects of warming the kidneys and strengthening the spleen (warming the kidneys and strengthening the spleen), and astringing the intestines to stop diarrhea (relieving diarrhea by enhancing the intestinal astringent function). Clinically, Si Shen Tang is often used in the treatment of diarrhea caused by deficiency of kidney yang (deficiency of yang qi in the kidneys), which is characterized by pre-dawn diarrhea, relief after defecation, and lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee regions). Its adverse effects and contraindications are not known. Constipation in children is usually relieved by using probiotics to regulate the body and improve the intestinal flora. If not relieved, laxative drugs can be taken as prescribed by the doctor. However, it should not be taken for a long time. In daily life, children should eat more fresh fruits and vegetables, such as bananas and apples. If the child suffers from constipation, it is recommended to go to the regular hospital to avoid delaying the condition.