San Yin Decoction contains Angelica sinensis, Radix Rehmanniae Praeparata, Radix et Rhizoma Glycyrrhizae Praeparata, Radix et Rhizoma Glycyrrhizae Praeparata, Radix Paeoniae Lactiflorae, Radix Jujube Rubra, Radix Panax Quinquefolium, and Radix et Rhizoma Ginseng, which are used for tonifying and regulating the blood, benefiting the middle of the body, and nourishing the heart and tranquilizing the spirit. San Yin Decoction is a traditional Chinese medicine formula consisting of Angelica sinensis, Radix Rehmanniae Praeparata, Radix et Rhizoma Glycyrrhizae Praeparatae, Radix Paeoniae Alba, Radix Ziziphi Jujubae and Radix Ginseng. This formula has the effects of tonifying blood, tonifying the middle, nourishing the heart and tranquilizing the mind, and is mainly suitable for the treatment of liver and spleen deficiencies, essence and blood deficiencies, and blood loss due to camp deficiency. The adverse effects and contraindications of San Yin Decoction are not clear. If discomfort occurs, it is recommended to consult a professional Chinese medicine practitioner if you need to use the drug, do not blindly use the drug on your own.