There are more formulas to regulate blood deficiency, and common ones include Four Substances Tang and Angelica Blood Replenishing Tang. Four Substances Soup consists of Radix Rehmanniae Praeparata, Radix Angelicae Sinensis, Radix Paeoniae Alba and Rhizoma Ligustici Chuanxiong, which has the effect of tonifying and harmonizing the blood. It can treat palpitations, insomnia, lack of color and dizziness due to deficiency of blood in the camp and blood (deficiency of blood in the body). Angelica Blood Replenishing Soup is composed of two medicines, Angelica sinensis and Astragalus, and the dosage of Astragalus is five times that of Angelica sinensis, which is used to replenish qi and generate blood. It can be used to treat thirst, weak pulse, red face and heatiness caused by blood deficiency, and also used to treat postpartum headache caused by blood deficiency and heatiness. The adverse reactions and contraindications of the above drugs are not clear. If there is any discomfort, it is recommended to consult a hospital in time, under the guidance of a professional physician, so as not to delay the condition.