What do you mean by frying charcoal and grinding it into fine powder?

Which is a preparation method of traditional Chinese medicine. Stir-frying and grinding into fine powder is a traditional Chinese medicine preparation method, which mainly involves baking some herbs or plant raw materials with charcoal, and then grinding them into fine powder with a grinder for oral or external use. This preparation method can improve the efficacy of medicinal materials, and also can better retain their nutritional components and medicinal value. In traditional Chinese medicine, charring and grinding into fine powder are widely used, such as making pills, powder, oral liquid and other dosage forms, which are used to treat various diseases.