Zuo Gui Wan is used for kidney yin deficiency and Right Angelica Pill is used for kidney yang deficiency. It is generally not recommended to use the two together, and there are medicines that are individually applicable if kidney yin and yang deficiency exists. 1. Zuo Gui Wan is composed of Radix Rehmanniae Praeparata, Colla Corii Asini, Colla Corii Asini, Semen Cuscutae, Cortex Cuscutae, Cornu Cervi Pantotrichum, Rhizoma Coptidis, and Fructus Lycii. Its efficacy is to nourish the kidney and tonify yin. It is used for night sweating (abnormal sweating after going to sleep and stopping after waking up), dryness of mouth, lumbar soreness and weakness of knees, and mental fatigue (lack of spirit) caused by deficiency of true yin. This product is prohibited for those who are allergic to this product, pregnant women and children. The drug should not be taken by people with colds. Adverse reactions to this product are not clear. 2. Right Angelica Pill is composed of Radix Rehmanniae Praeparata, Rhizoma Dioscoreae, Rhizoma Dioscoreae, Cornu Cervi Pantotrichum, Rhizoma Pinelliae, Rhizoma Cinnamomum, Radix et Rhizoma Gastrodiae, Cuscuta, Fructus Lycii, Radix Angelicae Sinensis and Rhizoma Polygonati Odorati. The effects are filling essence and stopping spermatorrhea (filling solid essence to prevent spermatorrhea and sperm slippage), warming and tonifying kidney yang. It is used for the deficiency of Kidney-Yang, such as lack of spirit, coldness, coldness, coldness of waist and knees, loose stool, impotence, spermatorrhea, frequent and clear urination. The adverse reactions and contraindications of this product are not clear. Zuo Gui Wan and Yu Gui Wan are suitable for different types of drugs, generally not recommended to be taken together, if there is both kidney yin and yang deficiency, you should follow the doctor’s instructions to choose the appropriate separate use of the drug.