Chicken Nei Jin is the lining of the sand sacs of the domestic fowl of the pheasant family. Chicken Nei Jin is not fried and can also be taken. This product has the effects of strengthening the stomach and eliminating food, astringent essence and stopping spermatorrhea (consolidating semen and preventing spermatorrhea). Jin Nei Jin has a strong effect on digestion and can strengthen the spleen and stomach, so it is suitable for many kinds of food stagnation (indigestion of food and stagnation in the stomach), especially for those with spleen deficiency and food stagnation. This product also has the effect of fixing essence and stopping spermatorrhea (consolidation of semen, prevention of spermatorrhea), if the treatment of urination and spermatorrhea caused by kidney deficiency (consolidation) weakness, it can be used in conjunction with cuttlebone, antler velvet, and Semen Cuscutae. This product can also be used for stone drenching and stone dissolution, applicable to stone drenching (discharging sand and stone during urination, or sudden interruption of urination, pain in the urethra, intolerable pain in the waist and abdomen) and astringent pain, pain in gallbladder distension. If treating stone drenching and astringent pain, it can be combined with Hai Jin Sha, Qu Mai and Qian Cao; if treating biliary distension and pain, it can be combined with Qian Cao and Yu Jin. The adverse reactions and contraindications of Chicken Neijin are not clear. People with spleen deficiency without accumulation and stagnation should be cautious of using Chicken Nei Jin. Drugs need to be used under the guidance of a doctor, do not blindly use drugs without authorization.