Mica powder is a kind of non-metallic minerals, containing a variety of components, including mainly SiO2, the content of which is usually about 49%, and Al2O3 content is about 30%. Mica powder has good elasticity, toughness. Insulation, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesion and other characteristics, is an excellent additive. It is widely used in electrical appliances, welding rods, rubber, plastics, papermaking, paints, coatings, pigments, ceramics, cosmetics, new building materials and other industries, the use of which is extremely wide. With the continuous development of science and technology, people open up new areas of application. Elkhorn: warming the kidney and strengthening yang; filling the essence and tonifying the marrow; strengthening the tendons and bones; benefiting the blood. Main kidney yang deficiency; deficiency of essence; lumbar and knee pain; tendon and bone pain.