What is the efficacy of Angelica Sibiru Tang

Dang Gui Si Yi Tang has the effect of warming the menstruation, dispersing cold, nourishing blood and promoting circulation.
Danggui Siwei Tang is composed of Angelica sinensis, Gui Zhi, Paeonia lactiflora, Sinensis, Tongcao, Jujubae, and Radix et Rhizoma Glycyrrhizae, which can warm the menstruation, disperse cold, nourish the blood and open the veins. It can be used in Blood deficiency and cold syncope syndrome, which is characterized by cold in hands and feet, or pain in waist, femur, leg, foot, shoulder and arm, no thirst in mouth, pale tongue, white moss, and thin or fine pulse.
In this formula, Angelica sinensis nourishes blood and blood; Gui Zhi warms menstruation and disperses cold, warms and circulates blood; Xin Xin warms menstruation and disperses cold; Bai Shao nourishes blood and camp (harmonizes camp blood); Tong Cao passes through the menstruation and channels, so as to smooth the blood flow; Jujubae, licorice, benefits qi, strengthens the spleen, and nourishes blood; Glycyrrhizae radix is used to harmonize the various medicines (harmonizes the properties of different Chinese herbs).
It is recommended to use the medicine under the guidance of a doctor.