The efficacy and function of Polygonum multiflorum Thunb. Since ancient times, Polygonum multiflorum Thunb. has recorded the magical efficacy of blackening white hair. Polygonum multiflorum Thunb. was originally named as Polygonum multiflorum Thunb. It was said that the white-haired He Weng (He Lide) in Mount Tai turned black and rejuvenated, so the area around Mount Tai called Polygonum multiflorum Thunb. Polygonum multiflorum Thunb. has a good effect. It is recorded in Compendium of Materia Medica that it can nourish blood and liver, strengthen kidney, strengthen tendons and bones, and blacken beard and hair is a nourishing medicine. Being neither cold nor impetuous is due to the herbs of Rehmannia glutinosa and Asparagus. This shows that the ancient Polygonum multiflorum Thunb was regarded as an important medicinal material for treating alopecia. The principle of Polygonum multiflorum Thunb in treating white hair Modern medicine has proved that Polygonum multiflorum Thunb has special functions such as nourishing essence and blood, nourishing liver and kidney, detoxifying, moistening intestines and relaxing bowels. Many patients with white hair have white hair because of endocrine disorders and weak liver function. Therefore, Polygonum multiflorum Thunb provides a good adjustment and improvement for some patients with white hair, and some patients with white hair have white hair because of nutritional problems. The various nutrients contained in Polygonum multiflorum Thunb are also a good supplement. The above is the explanation of whether Polygonum multiflorum Thunb can cure white hair. Because there are many reasons for white hair, both congenital and acquired, the effect of Polygonum multiflorum Thunb on white hair is not omnipotent, but only has a certain improvement effect on acquired white hair.