Gray hair at a young age may be caused by pathological factors such as deficiency of liver and kidney, blood heat, blood deficiency, etc. It may also be related to lifestyle and emotions. Kidney its Hua in hair, liver and kidney the same source, essence and blood mutual funding, liver and kidney deficiency patients, resulting in essence and blood can not moisten the hair, and thus may appear young early gray hair, but also with soft (waist and knees may be soft and weak feeling), forgetfulness and other symptoms. Hair is the rest of the blood, blood heat fry burns the yin fluid, blood deficiency hair loss of nourishment, there will also be early gray hair, may be accompanied by facial redness, thirst, or colorlessness, fatigue and other symptoms. At the same time, bad habits, emotions can also cause an increase in gray hair, it is recommended to develop good habits and maintain a good state of mind. If there is an obvious increase in gray hair, you should choose medication for treatment according to your doctor’s guidance.