Women can use Four Substances Soup plus or minus to regulate blood. Four Substances Tang is a tonic, which has the effect of tonifying and regulating blood. The ingredients in this formula are Angelica sinensis, white peony, Radix Rehmanniae Praeparata and Rhizoma Ligustici Chuanxiong, which are used to treat irregular menstruation, leakage in disintegration, and restlessness of the fetus in pregnancy. In this formula, Angelica sinensis tonifies and invigorates Blood, Radix Rehmanniae Praeparata tonifies Blood, Rhizoma Ligustici Chuanxiong enters the Blood division (which is the deepest stage or disease position among the four phases of Wei Qi and Ying Blood in warm diseases) to regulate the Qi in Blood, and Paeonia lactiflora astringes Yin and nourishes Blood, making the whole formula an important agent for treating Blood. Four Substances Tang is the basic formula for women to tonify Blood. It should be used with caution in cases of Yin deficiency and fever, as well as in cases of Blood collapse and Qi shedding. In the regulation of women’s blood tonic, due to different personal constitution, the use of medication needs to be diagnosis and treatment, discomfort is recommended to go to the hospital, under the guidance of the doctor to use medication, do not use their own drugs, so as not to affect health.