Occasional overdose of hen’s internal gold does not produce side effects because it is the endothelium of the chicken’s sand sac, which is itself a food-derived drug. It is mild in nature and has the function of strengthening the spleen and stomach, eliminating food stagnation, and is mainly used for food stagnation of rice, noodles and meat. For mild cases, it can be taken as a separate powder. If the food stagnation does not dissolve and the stomach and abdomen are full, it can be used together with hawthorn, malt and green peel. For children with food stagnation caused by spleen deficiency, it can be used in combination with Atractylodes macrocephala, Yam, and Radix et Rhizoma Polygonati. Although there are no side effects, it is not recommended to take it every day or in large quantities, it can be taken periodically to improve the function of the spleen and stomach.