Fuente: WIPO "milk" The invention provides goat milk composition with a sleep improvement function and a preparation method of the goat milk composition. The composition comprises components in parts by weight as follows: 100 parts of goat milk, 1-3 parts of rhizoma dioscoreae extract, 1-3 parts of poria cocos extract, 3-5 parts of fructus cnidii extract, 5-7 parts of radix taraxaci extract, 3-5 parts of flos lablabalbum extract, 2-4 parts of Chinese olive extract and 1-3 parts of fructus schisandrae chinensis extract, and the composition is prepared from the components through mixing. According to the composition, by means of daily drinking of the goat milk, functions of yin and stomach nourishment and sleep improvement of the goat milk are sufficiently utilized while nutrients are supplemented, the composition is combined with specific traditional Chinese medicine, the components have synergistic interaction, the sleep improvement effect is remarkable, and the preparation method is simple and meets thedemands of large-scale industrial production.