The efficacy of Ren Ren (砂仁) is to dissolve dampness and open the stomach (normalize gastrointestinal function by removing dampness), warm the middle and stop diarrhea, regulate qi and pacify the fetus. It can be used for treating dampness and turbidity in the middle, stagnation of qi in the spleen and stomach, epigastric plumpness and lack of hunger, deficiency cold in the spleen and stomach (spleen and stomach weakness and cold), vomiting and diarrhea, and restlessness in the fetus. It is consumed raw or decocted. Sand nut is the dried ripe fruit of Yangchun sand, green shell sand and Hainan sand of the ginger family. The drug is pungent and warm in nature, and belongs to the spleen, stomach and kidney meridians. It has the effect of dissolving dampness and opening the stomach, warming the spleen and stopping diarrhea, regulating qi and stabilizing the fetus, and can be used for the treatment of dampness and turbidity obstruction, epigastric plumpness without hunger, spleen and stomach coldness, vomiting and diarrhea, pregnancy dyspepsia (in the early stage of pregnancy, there is heavy nausea and vomiting, dizziness and anorexia, or even vomiting when food is ingested), and fetal restlessness. The drug should be used with caution in cases of yin deficiency and blood dryness. The method of consumption is mainly raw and decoction, which should be crushed when used raw, and decoction should be taken afterward. If you need to take this medicine, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician.