The effect of Siwutang is to replenish blood and promote blood circulation. The clinical contraindications for drinking Siwutang are as follows: 1. Menstrual women can't drink Siwutang, which has the function of promoting blood circulation. Menstrual women are weak, and drinking Siwutang will lead to excessive blood discharge and qi and blood weakness, and even induce gynecological diseases. 2. Whether patients with inflammation can drink it is more common in various infections such as colds and pneumonia, and it is not suitable for drinking Siwu Decoction, otherwise it will lead to aggravation of the condition. 3, patients with poor gastrointestinal function can not drink, patients with poor gastrointestinal function will lead to diarrhea, indigestion, and even induce other diseases after drinking Siwu Decoction. 4. The taboo of drinking Siwutang, including menopausal women, is that women at this stage are very sensitive and their hormones are unstable. Drinking Siwutang will aggravate the instability of hormones, resulting in bad performance such as hot body and emotional excitement. Siwutang is a blood-enriching prescription composed of Radix Paeoniae Alba, Radix Rehmanniae Preparata, Rhizoma Chuanxiong and Radix Angelicae Sinensis. It can be used to treat palpitation, insomnia, dizziness, pale complexion, fatigue or scanty menstrual flow, delayed menstruation and abdominal pain after menstruation caused by various blood deficiency. It can be used as long as the above symptoms are met and the tongue coating is not thick and greasy, and it is usually taken in the morning, middle and evening.

Liver controls blood, kidney stores essence, and menstruation is the residual gas of kidney essence. Therefore, Radix Rehmanniae Preparata is an important drug for nourishing yin and enriching blood, and Radix Paeoniae Alba enters the liver to replenish liver blood, in coordination with Radix Rehmanniae Preparata. Blood stasis will occur 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 ascending leader, descending blood sea and circulating around the whole body, so it is suitable for compatibility, so it is effective to replenish blood.

Siwutang should be taken according to the patient's own situation. When the body has blood deficiency, it can be taken appropriately. Generally, it can be taken in three times in the morning, at noon and at night.

Siwutang is composed of four Chinese medicinal materials, including Angelica sinensis, Ligusticum Chuanxiong, Radix Paeoniae Alba and Radix Rehmanniae Preparata, and has the effects of enriching blood, nourishing blood and regulating menstruation. When the body appears blood deficiency or blood stasis syndrome, as well as anemia, blood deficiency, poor blood circulation, etc., it can be treated with Siwu Decoction. In view of women's low menstrual flow, delayed menstruation and abdominal pain after menstruation, it is suggested to start drinking on the first day after menstruation, drink continuously for 3-5 days, and take it warm on an empty stomach in the morning and evening. In addition, Siwu decoction can enhance the body's immunity by tonifying qi and blood, so that the body is not easy to catch a cold.

Siwutang, as a warming and tonifying agent, is not recommended for people who have no symptoms of blood deficiency for a long time, otherwise it will easily breed fiery evil, resulting in acne and aphtha.

Siwutang is a blood-enriching prescription composed of Radix Paeoniae Alba, Radix Rehmanniae Preparata, Rhizoma Chuanxiong and Radix Angelicae Sinensis. It can be used to treat palpitation, insomnia, dizziness, pale complexion, fatigue or scanty menstrual flow, delayed menstruation and abdominal pain after menstruation caused by various blood deficiency. It can be used as long as the above symptoms are met and the tongue coating is not thick and greasy, and it is usually taken in the morning, middle and evening.

Liver controls blood, kidney stores essence, and menstruation is the residual gas of kidney essence. Therefore, Radix Rehmanniae Preparata is an important drug for nourishing yin and enriching blood, and Radix Paeoniae Alba enters the liver to replenish liver blood, in coordination with Radix Rehmanniae Preparata. Blood stasis will occur if blood is replenished for a long time, so angelica is used to replenish blood and promote blood circulation to correct the side effects of blood stasis. Chuanxiong is known as ascending leader, descending blood sea and circulating around the whole body, so it is suitable for compatibility, so it is effective to replenish blood.