When decocting Chinese medicine, you should first pay attention to the decoction utensils, decoction water, decoction fire and decoction methods: 1. decoction utensils: decoction of Chinese medicine is best in casserole, pottery, tile pot, but also available in enamelware, stainless steel pot decoction, banned copper, iron, aluminum and other appliances. 2, decoction water: decoction water to clean principle, tap water, well water, pure water, distilled water V can. The amount of water used is 2-3 cm above the surface of the medicine; another is 10 ml of water per gram of herbs as a standard to roughly estimate the amount of water needed. 3, decoction fire: general decoction first with martial fire (large fire) decoction boiling, and then change to the civilian fire (small fire) decoction for 30-45 minutes. However, some formulas such as decoction, heat purifier, and aromatic medicine can be decocted for about 10 minutes with low heat after boiling. For tonic herbs, the decoction should be boiled on high heat and then decocted on low heat for 45-60 minutes to bring out the flavor of the medicine. In addition, the poisonous drugs such as sapodilla, wolfsbane and aconite should be decocted for a long time with slow fire to reduce their toxicity. 4, decoction method: general decoction method, first place the drug in a container, add cold water to soak for 20-30 minutes in winter, add cold water to soak for 10-15 minutes in summer, then cover and decoction. During the decoction process, attention should be paid to moderate stirring to avoid paste in the pot, and also to improve the decoction rate of the active ingredients of the drug. However, the lid of the pot should not be opened too frequently to minimize the loss of volatile components. After the decoction is ready, strain the first liquid; then heat the appropriate amount of water and decoct according to the above method to take the second liquid. Mix the two liquids and take them as prescribed by the doctor. In addition, there are some drugs that need special methods to decoct, which are introduced as follows: 1. First decoction: shell and ore drugs, such as turtle plate, turtle nail, magnetite, etc., are hard and difficult to taste, so they should be decocted first, and other drugs should be decocted 30-60 minutes after decoction, so that the medicine can be fully decocted. In addition to this, drugs with large sediment content such as Zao Xin Tu, glutinous rice root, etc., or drugs with lighter texture and large body such as Xia Ku Cao, Bai Mao Root, Bamboo Roo, etc., should be decocted first to obtain juice clarification, and then decoct the rest of the drugs with the juice. 2, after the next: aromatic smell, lend its volatile oil to take the effect of drugs, such as mint, sand, cardamom, etc., should be decocted when the general drug decoction is ready, decoction 4-5 minutes can be, to prevent its active ingredients scattered. 3, package decoction: to prevent the decoction of the liquid turbidity and reduce the adverse stimulation of the drug to the digestive tract, throat, such as red stone, talc, spinach, carthamus, loquat leaves, etc., to use gauze to wrap the drug, and then put into the pot decoction. 4, single decoction: also known as another stew or another decoction, certain valuable drugs such as ginseng, American ginseng, rhinoceros horn (generation), antelope horn (generation), etc., in order to try to preserve its active ingredients, reduce the simultaneous decoction by other drugs to absorb, can be decocted separately. 5, melt: gum, viscous and soluble drugs, such as gum, turtle gum, deer gum, honey, caramel, etc., should be separately dissolved with the liquid to take, or added to the decoction of the juice dissolved after taking. Because of the same decoction is easy to stick to the pot and boil scorched, and adhere to other drugs, affecting the decoction rate. 6, punching: bulk, dan, water pills, natural juice, as well as some precious drugs or aromatic drugs, need to punching, such as musk, niuhuang, panax pseudoginseng, six gods pill, raw earth yellow juice, etc.