Medicines to replenish yang qi include Chinese herbs and proprietary Chinese medicines, commonly used are Gui Zhi, Pian Zi, Lizhong Pill and so on. Insufficient yang qi is called yang deficiency in traditional Chinese medicine, which is mostly caused by prolonged illness and injury to yang, or further development of qi deficiency; or prolonged living in cold places, or over-serving of bitter, cold and refreshing products, which depletes yang qi, or old age and gradual decline of vitality and fire, etc. and become. Yang deficiency is categorized into heart yang deficiency, spleen and stomach yang deficiency and kidney yang deficiency. Patients with yang deficiency mostly show coldness, cold limbs, light mouth and no thirst, or like hot drinks, or self-sweating (involuntary sweating during the day, aggravated by sweating with a little movement), long and clear urination or urination and swelling, thin stools, and a white face, which can be accompanied by fatigue (lack of mental energy), fatigue, shortness of breath, and other manifestations of qi deficiency. Herbal medicines for tonifying yang include cinnamon sticks for tonifying heart yang, dried ginger for tonifying spleen and stomach yang, and epimedium, cinnamon, deer antler, sea dog kidney, baji tian, and horny goat weed for tonifying kidney yang. Proprietary Chinese medicines that tonify yang include Lizhong Pill and Shisheng Pill for treating spleen yang deficiency, and Si Shen Pill, Jin Gui Ren Qi Pill and Yu Gui Pill for tonifying kidney yang. Yang tonic medicines are often dry and strong in nature, which can easily help fire and hurt yin. Therefore, they are not recommended for people with yin deficiency (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire). If there is a need for medication, it is recommended to use it under the guidance of a professional physician, not blindly self-medication.