Ginseng and Atractylodes Macrocephalae Pill has the function of strengthening the spleen, benefiting Qi, relieving dampness and stopping diarrhea. The formula of Ginseng and Atractylodes Pill includes Ginseng, Atractylodes Macrocephalae and Lentils, which strengthen the spleen and restore the function of spleen and stomach. Atractylodes macrocephala and Poria can in turn strengthen the spleen, resolve dampness and reduce the frequency of diarrhea. Other ingredients of Ginseng and Atractylodes Pill, such as yam and sandy kernel, have the function of tonifying the spleen and benefiting qi. Coix seeds also have the effect of dampness, which is more effective as a supplement to ginseng, Atractylodes and Poria. Chinese medicine believes that the spleen is the source of phlegm, so spleen deficiency is prone to phlegm and dampness, and dampness in the spleen leads to diarrhea, so strengthening the spleen and benefiting qi to resolve dampness is the essence of this formula. Ginseng and Atractylodes Pill is mostly used in clinical practice for the treatment of weakness caused by loss of appetite, loose stools, emaciation, distention and fullness of the abdomen, mental fatigue and weakness of the limbs.