The medicinal part of chicken gizzard is the inner wall of the sand sac of the domestic chicken of the pheasant family, also known as chicken inner gold. Chicken Neijin has the effect of strengthening the stomach and eliminating food, astringent essence and stopping spermatorrhea (consolidating semen and preventing spermatorrhea), and its harm is still unclear. Chicken Neijin is sweet in taste, flat in nature, and belongs to the spleen, stomach, small intestine and bladder meridians. It has the efficacy of strengthening the stomach, eliminating food, astringing semen and stopping spermatorrhea and can be used for treating dietary stagnation, pediatric chancre (a kind of chronic disease of children, which manifests as emaciation, dietary abnormality, abdominal distension, and sparse and withered hair), spermatorrhea of renal deficiency, dyspareunia, gonorrhea with sand and stones (increased frequency of urination and astringent pain of dribbling), and gallstones and other conditions. The adverse reactions of this product are not clear at present. Note that it is forbidden to use for those who are allergic to this product, allergy sufferers should be cautious in taking it, and it should be used with caution for those who have spleen deficiency without accumulation and stagnation. If you need to use Chicken Nei Jin, should be under the guidance of a physician, do not unauthorized use of medication, so as not to cause adverse reactions.