Tianma Shouwu Tablet can treat gray hair caused by yin deficiency of the liver and kidney (insufficient yin fluid in the liver and kidney). Tianma Shouwu Tablet is composed of He Shouwu, Chasteberry and Dry Mo Lian that nourish the liver and kidney, Radix Rehmanniae Praeparata and Rhizoma Polygonati Odorati that nourish the blood and fill up the essence, as well as Radix Paeoniae Alba, Radix Angelicae Dahuricae and Rhizoma Asparagi. It has the functions of nourishing blood and restoring wind, nourishing liver and kidney, and can be used for gray hair caused by Yin deficiency of liver and kidney with headache, dizziness, bitter mouth and dry throat. Note that it should not be consumed by people with cold and fever, and avoid eating indigestible food during the period of taking the medicine. Tianma Shouwu Tablet is only suitable for gray hair caused by yin deficiency of liver and kidney (deficiency of yin fluid in liver and kidney). If the gray hair is caused by age factor or hereditary factor, it is physiological and generally does not need treatment; if it is caused by blood deficiency, wind and dryness, stagnation of qi and blood stasis (because of blood stasis due to lack of qi flow), etc., it is not recommended to use Tianma Shouwu Tablet for the treatment of the gray hair. If gray hair occurs, it is recommended to ask the doctor to clarify the cause of gray hair, under the guidance of the doctor to address the cause of treatment, do not take medication.