sijunzi tang wan sijunzi tang wan sijunzi tang wan (simplified chinese: 四君子汤丸; traditional chinese: 四君子湯丸) also called the four gentlemen, is a brown pill used in traditional chinese medicine to "replenish qi and invigorate the functions of the spleen". it tastes slightly sweet. it is used where there is "deficiency of qi of the spleen and stomach marked by anorexia and loose bowels". sijunzi tang wan is the base for many spleen qi deficiency formulas in traditional chinese medicine. chinese classic herbal formula name chinese (s) grams radix codonopsissi 党参 200 rhizoma atractylodes macrocephala (stir-baked) 白术 (炒) 200 poria (fu ling) 茯苓 200 radix glycyrrhizae preparata 炙甘草 100