Chicken Neijin for kidney stones dosage needs to be decided according to the patient’s condition, physical fitness, etc. Generally, the adult decoction dosage is 3~10g. Chicken Neijin has the efficacy of eliminating food and strengthening the stomach (promoting food digestion, strengthening the function of the stomach and internal organs), astringent essence and stopping ejaculation (consolidating semen, preventing and controlling spermatorrhea). It is used for treating dietary stagnation, pediatric chancre (a chronic disease of children, manifesting as emaciation, abnormal eating and drinking, abdominal distension, thinning and yellowing of hair, etc.), spermatorrhea and enuresis due to kidney deficiency, gonorrhea due to sand and stone (increased frequency of urination, astringent and painful dribbling), and gallstones. It should be used with caution in cases of spleen deficiency without accumulation and stagnation. The efficacy of single Chinese medicine is limited, clinically it needs to be used with other Chinese medicines after identification by a traditional Chinese medicine practitioner.