Reliable. Wanyangtang Shi Yu Pill mainly contains donkey-hide gelatin, bird's nest, barley, coix seed, Eucommia male flower, musk and other ingredients. Therefore, it can help people adjust the immune system of the body, further improve people's immunity, especially promote the discharge of moisture in the body, and then better remove dampness and detoxify, so the effect is very good, especially for some cases of edema and rough skin.