1, the formula of siwu decoction: angelica sinensis, chuanxiong rhizome, jiushao and rehmannia root in equal proportion, usually 10 gram. Four kinds of medicinal materials are mixed into nearly 40 grams of Siwu decoction;

2. Wash the raw materials with clear water and put them in a casserole. Pour a certain amount of clear water until the water overflows the medicinal materials, and soak for 15 minutes;

3. Cook with medium fire, and then adjust the fire to the young man for about 15 minutes after the water boils.

4, Chinese medicine should be boiled three times. The use of siwutang is no exception. That is, after simmering 15 minutes, pour out the soup, remember not to pour it all out, and leave some water in the casserole. Pour water into the casserole again, cook it again, and then pour out the soup. Add water in the same way and pour out the decoction three times.