1. Choose a decoction pot of suitable size, put in the first decoction of Chinese herbs, add the right amount of water, boil on high heat, and decoct on low heat for about 30 minutes. 2.Put in the middle decoction of Chinese herbs, add water in appropriate amount, boil on high heat and cook on low heat for about 60 minutes. 3.Put in the latter decoction of Chinese herbs, add water in appropriate amount, boil on high heat, and decoct on low heat for about 20 minutes. 4, drain out the first time the juice and set aside. 5.Add water to the dregs, bring to a boil over high heat, and cook on low heat for about 30 minutes. 6.Drain out the second time juice and set aside. 7, two times the juice mixed, precipitation for three hours, take the upper layer of clear liquid bottled, put in the refrigerator. 8, when taking, before and after meals at will, pour a cup of juice, about 300 ml (the amount of medium-sized cup), cover and seal, microwave heating, take a cup each morning and afternoon, or a cup each afternoon and evening daily can also be taken.