Kidney deficiency can cause white hair, but can not be generalized, but also need to be combined with other symptoms to see whether it is related to other causes. If there is white hair with tinnitus, lumbago, etc., usually belongs to kidney deficiency; if accompanied by insomnia, forgetfulness, etc., belongs to the blood due to labor; if a large number of white hair within a short period of time, accompanied by depression, for the liver stagnation (the liver’s qi and blood transport is not smooth, depression), and emotions have a lot to do with it, but also can be seen in the congenital endowment caused by the patient. The growth of hair is closely related to the strength or weakness of kidney qi and essence and blood, so looking at the hair can diagnose the strength of kidney qi and the strength or weakness of essence and blood. For patients with gray hair due to kidney deficiency, the method of tonifying kidney essence is often used, and combined with other symptoms, treatments such as benefiting qi and replenishing blood (replenishing the body’s qi and blood), and dredging the liver and regulating qi (regulating the stagnation of liver qi) are also used. Patients with kidney deficiency who have white hair should consult the hospital in time and be treated by traditional Chinese medicine practitioners in order to avoid adverse consequences.