Nourishing Spleen San has the effect of nourishing the spleen and strengthening the stomach, etc.; the side effects are not clear yet. Nourishing Spleen San is a proprietary Chinese medicine composed of Radix Codonopsis, Rhizoma Atractylodis Macrocephalae, Rhizoma Dioscoreae, and Rhizoma Dioscoreae. This product can nourish the spleen and strengthen the stomach, and also has the effect of opening up depression and eliminating food; it has a therapeutic effect on the deficiency of the spleen and stomach, and the incompatibility of soil and water, resulting in poor appetite, stagnation, distention of the epigastric cavity, acid swallowing (swallowing of the acid in the stomach that goes up to the oropharynx), dysentery, and yellowish muscle thinness, etc. The adverse reactions, that is, the side effects, are not clear. Nourishing spleen powder adverse reactions, that is, side effects are not yet clear; contraindication is pregnant women, spleen and stomach yin deficiency (deficiency of yin fluid in the spleen and stomach), yin deficiency of the liver and kidney (deficiency of yin fluid in the liver and kidneys), as well as those who are allergic to the product; lactating women should be careful with the product; special populations should be used under the guidance of a Chinese doctor. If there is any discomfort, it is recommended to consult a doctor in time and standardize the treatment under the guidance of a Chinese medicine practitioner in order to avoid delaying the condition.