Er Zhi Wan has the effect of tonifying the liver and kidney, nourishing yin and stopping bleeding (nourishing the yin fluid and stopping bleeding), thus treating gray hair. Erzhi Pill is composed of two Chinese herbs, Chasteberry and Araliaceae. Chasteberry is sweet, bitter and cold; it belongs to the liver and kidney meridians; its color is greenish-black, benefiting the liver and tonifying the kidneys, and its function is to nourish the liver and kidneys, make the whiskers bright and bright; it can be used in treating dizziness and dizziness caused by yin deficiency of liver and kidneys (insufficiency of yin fluid in the liver and kidneys), ringing in the ears, darkness of the eyes, soreness in the lumbar and knee areas (a feeling of soreness and weakness of the lumbar area and knee area), and premature graying of whiskers and hairs. Mo Dry Lotus is sweet, sour and cold; it belongs to the liver and kidney meridians; the black juice enters the kidney to replenish essence, so it can benefit the lower part of the body and glorify the upper part of the body, strengthen the yin and darken the hair; it can nourish the liver and kidneys, cool the blood and stop bleeding (make the blood cool and moist, prevent bleeding). The combination of the two medicines can nourish the yin of kidney water, nourish the yin of liver and kidney, darken hair and brighten eyes, stop dizziness and dizziness. Patients who have white hair, excluding physiological factors, need to go to the regular hospital in time for examination, according to the cause of treatment.