Yin Chen Wu Ling San can dispel dampness in the spleen, it is made from Wu Ling San plus Yin Chen, mainly treating dampness, heat and jaundice. It is from “The Essentials of the Golden Chamber”, composed of Artemisia capillaris, Poria, Poria, Gui Zhi, Ze Xie Diarrhea and Rhizoma Atractylodis Macrocephalae, with the effect of inducing dampness and relieving jaundice. It is mainly used for treating damp-heat jaundice, where the dampness is more important than the heat, and the urine is unfavorable (the urine does not flow smoothly). In this formula, Ze Xie diarrhea is used to promote drainage and seepage of dampness (to promote the flow of water to dispel dampness); Poria and Poria can help Ze Xie diarrhea to promote drainage and seepage of dampness; Gui Zhi warms Yang and transforms Qi (to warm and pass Yang Qi in the body); Atractylodes Macrocephala strengthens the spleen and replenishes Qi (to enhance the function of the spleen to replenish Spleen Qi); and Inulae is used to clear away Dampness and heat and to relieve yellow. The combination of all the medicines works together to relieve dampness and eliminate yellow. It is recommended that the patient be treated with medication under the guidance of a doctor.