2. Method of Siwutang: Ingredients: Angelica sinensis16g, Chuanxiong rhizome16g, Radix Paeoniae Alba14g, Radix Rehmanniae12g, and Egg18g. Add four kinds of herbs. Before decocting Siwu decoction, the four herbs can be soaked first to give full play to their efficacy. Boil for half an hour first, and four bowls of water will be boiled into one bowl of water. Boil and add an egg. After the eggs are cooked, take them out, shell them and put them in Siwu decoction for 10 minute, so that the eggs can absorb the efficacy of the soup. It's that simple. A bowl of Siwu decoction for regulating menstruation and nourishing blood is ready. Remember to drink it in one day. It is most effective to drink it while it is hot. Take medicine and eggs.