Si Jun Zi Wan is the Chinese medicine Si Jun Zi Tang made into a pill and made into a dosage form. The source of this formula is the “Taiping Huimin and Pharmaceutical Bureau Formula”. The composition is also very simple, with only four herbs: ginseng, atractylodes, poria and licorice. Ginseng is the ruling herb, and its function is to benefit qi; Atractylodes macrocephala and Fu Ling can benefit dampness and strengthen the spleen; roasted licorice can harmonize all the herbs and harmonize the spleen and stomach, so its effect is to benefit qi and strengthen the spleen, mainly for treating qi deficiency of the spleen and stomach. The most common clinical symptoms are pale complexion, whispering, sleepiness, sleepiness, shortness of breath, weakness, lack of food and drink, loose stools or loose stools, if the dampness is heavy, you can use Six Jun Zi Tang, that is, Si Jun Zi Tang with Chen Pi and Han Xia, if there is qi stagnation, you can add Mu Xiang and Sha Ren with Xiang Sha Six Jun Zi Wan.