Nourishing blood and yin, moistening dryness and stopping bleeding. Ayan Palace, a monkey in the middle of the river, is a kind of donkey-hide gelatin used for dietotherapy. Sweet taste, flat nature, lung, liver and kidney meridians entered. It has the effects of nourishing blood and yin, moistening dryness and stopping bleeding, and can be used for treating blood deficiency, sallow, dizziness, palpitation, muscle weakness, irritability and insomnia. Jiang Zhong dietotherapy is a high-tech company integrating research, development, processing and retail services of dietotherapy health food. R&D products include Monkey Gu, Monkey Xi, Monkey Gu biscuits, beans and so on.