It is made from chicken gizzard, which is washed and dried after peeling off the inner wall. According to traditional Chinese medicine, chicken internal gold belongs to the spleen, stomach, small intestine and bladder meridians, and has the functions of strengthening the stomach and eliminating food, astringing sperm and stopping spermatorrhea, and promoting laxative and stone removal. In clinical practice, it is often used to treat food stagnation, vomiting and diarrhea, children’s chilblains, urine and spermatorrhea, stone gonorrhea and astringent pain, as well as distension and pain caused by gallstones. In traditional Chinese medicine, it is often used to pass lymphatic and dissolve stones, and can be used to treat bile and kidney stones, and it is often used together with moneywort in the treatment of kidney stones. It can also be taken together with cornus. In the treatment of kidney stones, apart from henna, you can also choose other Chinese medicines, such as urinary stone pass, stone removal punch, stone removal granules, etc. The most important thing is to drink a lot of water and be more active to promote the discharge of stones.