Enter spleen meridian, stomach meridian and kidney meridian. In official website, the visiting doctor inquired that Amomum villosum is a kind of traditional Chinese medicine, which comes from the dried and mature fruits of Amomum villosum, green shell sand or Hainan sand and is mainly produced in southern areas such as Guangdong, Guangxi and Yunnan. Amomum villosum is pungent and warm, and meridian tropism belongs to spleen meridian, stomach meridian and kidney meridian. Its efficacy and function mainly include eliminating dampness and appetizing, warming spleen and stopping diarrhea, regulating qi and preventing miscarriage. Clinically, it is used to treat dampness and turbidity, hunger, spleen and stomach deficiency and cold, vomiting and diarrhea, and fetal movement during pregnancy.