Seven treasures MEBO Dan: Polygonum multiflorum Thunb. And Cynanchum multiflorum Thunb. (soak in rice swill for three or four days, peel and slice, steam with 2 liters of black beans until the beans are cooked, take out and dry, steam again after changing beans for nine times and dry in the sun), 500g of Poria. 500g of Achyranthes bidentata. Muddle the medical stone mortar into powder, and make honey pills, such as the size of a buttonwood tree. 9 grams each time, with salt soup or warm wine. Treating premature graying of hair, tooth shaking, nocturnal emission, weakness of bones and muscles, etc. caused by yin deficiency of liver and kidney and deficiency of qi and blood, so as to nourish qi and blood, and make hair soft and beautiful under the condition of sufficient qi and blood, so it is called "beautiful beard".