If a thin person is caused by yin deficiency, qi and blood deficiency, etc., it can be regulated by traditional Chinese medicine. If it is caused by genetic factors and other physiological factors, it is afraid that it is difficult to be regulated by traditional Chinese medicine, and it is recommended that medication be used under the guidance of a doctor. 1. Yin deficiency: if because of Yin deficiency in the body, serious illness or long-term illness caused by Yin wasting, symptoms such as heat in the hands and feet, night sweating (sweating abnormally after going to sleep, waking up sweating stops), bone vaporization and hot flashes (a burst of heat, feel the heat from the inside of the bone to the outside of the penetration of the heat), dry mouth, etc., you can choose to use Yin nourishing medicines for the regulation, such as six flavors of dihuangwan, zhi bo di huangwan and so on. 2. Deficiency of qi and blood: If the deficiency of qi and blood is caused by weakness of spleen and stomach, serious and prolonged illness, old age and physical weakness, qi and blood can’t nourish the body, resulting in thinness and weakness, fatigue (mental exhaustion, physical weakness), yellowish color (yellowish color without luster), palpitation (rapid heartbeat, often accompanied by panic), shortness of breath, etc., qi and blood tonifying drugs such as ginseng and antler pills and shichuandazhuangwan can be used. Or drugs to tonify the spleen and stomach, such as Spleen Strengthening Pills. It is recommended to use the above drugs under the guidance of a doctor. 3. Physiological factors: If the body is thin due to congenital genetic factors without other symptoms, there is no need to use medicine to regulate. If the wasting is pathologic, it is recommended to ask the doctor for clarification of the cause of the disease, and then use traditional Chinese medicine under the doctor’s guidance to regulate the disease.