There are two common methods of Dan powder, one is direct decoction, and the other is making Dan medicine according to the formula. In the process of decocting traditional Chinese medicine, Dan powder can be used to adjust the medicinal properties and change the color of traditional Chinese medicine. When making Dan medicine, Dan powder is mixed with a variety of Chinese herbal medicines or medicines to make oral pills or oral liquid, which is used to adjust the heat balance of qi and blood in human body and achieve the effects of eliminating diseases, prolonging life and nourishing health.
When processing traditional Chinese medicine, the use principles of Dan powder are "four good" and "three good". Four good means that Dan powder must be fresh, clean, with few impurities and good quality before treatment. Sanhe means that when Dan powder is compatible with other Chinese herbal medicines, it should be appropriate, harmonious and complementary to achieve complementary effects. In the processing of traditional Chinese medicine, Dan powder can not only adjust the properties and color of traditional Chinese medicine, but also strengthen the efficacy and function of traditional Chinese medicine, thus improving the curative effect and preventing diseases.