Siwu decoction has the function of enriching blood. Its main components are Angelica sinensis, Ligusticum Chuanxiong, Radix Paeoniae Alba and Radix Rehmanniae. Tonifying blood and regulating menstruation. Can treat dysmenorrhea. You can't drink alcohol during menstruation. Drinking it will increase the amount of bleeding. It is recommended to take it after menstruation is clean. Because the body is weak after menstruation is clean, it can replenish qi and blood. Don't eat cold food while taking the medicine. If menstruation increases or prolongs, you need to stop using it. ① Siwutang is a blood-enriching prescription composed of Radix Paeoniae Alba, Radix Rehmanniae, Rhizoma Chuanxiong and Radix Angelicae Sinensis. It can be used for treating various fright, insomnia, dizziness, pallor, fatigue, oligomenorrhea, delayed menstruation, and abdominal pain after menstruation caused by women's blood deficiency. As long as it meets the above two symptoms and the tongue coating is not thick or greasy, it can be used. Usually in the morning, at noon and at night. Liver controls blood and kidney stores essence. Menstruation is the essence of tonifying kidney and benefiting qi. So Rehmannia glutinosa is used to nourish liver and kidney. It is an important medicinal material for nourishing yin and enriching blood. Radix Paeoniae Alba enters the liver and is compatible with Radix Rehmanniae. Blood stasis will appear if blood is replenished for too long, so angelica is used to replenish blood and promote blood circulation to correct the side effects of blood stasis. Chuanxiong is known as the dragon head, the sea of blood and the whole body. Appropriate compatibility can effectively replenish blood.

① Siwu Decoction is a commonly used blood-enriching prescription. The harm of Siwu decoction is mainly aimed at some people, such as fever, menopausal women, pregnant women, yin deficiency and internal heat. These people will have corresponding harm after taking siwutang. 1. People with hot constitution: People with hot constitution should try to avoid taking Siwu decoction. Siwu decoction is a traditional Chinese medicine for warming and tonifying kidney yang. Taking Siwu decoction for people with heat constitution can obviously aggravate symptoms such as dry mouth, insomnia, palpitation and irritability. 2. menopausal women: menopausal women should not take Siwu decoction. Because the general constitution of menopausal women belongs to the state of yin deficiency and dryness-heat, taking Siwu decoction at this time will lead to more serious menopausal symptoms. Drinking Siwutang for half a year has the effect of regulating menstruation and enriching blood.

② Taohong Siwu Decoction is based on Siwu Decoction, adding peach kernel and safflower. After adding Taohong Siwu decoction composed of peach kernel and safflower, it has the function of nourishing blood, promoting blood circulation and removing blood stasis, and has a good effect on patients with blood deficiency and blood stasis.