First, the decoction apparatus is best to use ceramic utensils in the casserole, casserole pots, not easy to chemical reaction with the drug ingredients, and thermal conductivity is uniform, good warmth. Secondly, white enamelware or stainless steel pots can be used. Avoid using iron, copper, aluminum and other metal utensils for decoction. Because the metal elements are easy to chemical reaction with the herbal ingredients in the liquid, may reduce the efficacy, and even produce toxic side effects. Second, the decoction of water 1, with what water: ancient times have a lot to say, but generally speaking, life can be used for drinking water can be used to decoct Chinese medicine. How much water should be added: according to the texture and density of Chinese medicine tablets, water absorption and the length of decoction time, how much water should be added. Generally speaking, the amount of water used is about 2 centimeters after the tablets are properly pressurized and the liquid surface is submerged over the tablets. Each time you decoct, you hope to get about 500ml of liquid, which is the optimal amount of water. Third, before decoction soaking Chinese medicine tablets before decoction soaking is conducive to the full dissolution of active ingredients, can be soaked for about 40 minutes to seeds, fruit-based medicine can be soaked for 1 hour. Summer temperature is high, soaking time should not be too long, so as to avoid corruption and deterioration. Fourth, the decoction of the fire and the number of 1, the fire decoction of general medicine should be the first fire after the fire, that is, before the boil with the fire, after the boil with a small fire to maintain the state of micro-boiling, so as to avoid overflow of the juice or too quickly boil dry. Skin disease medication, generally use Chinese fire to boil, change the fire to maintain about 20 to 25 minutes can be. The active ingredients are not easy to decoct minerals, bones and horns, shellfish, crustaceans and tonic medicines, it is generally preferred to decoct over a long period of time, so that the active ingredients are fully dissolved. 2. Generally speaking, a dose of medicine can be decocted twice, and tonic medicine should be decocted three times at most. After the first decoction, only when the liquid is filtered out and water is added again for decoction can the active ingredients continue to be dissolved. The routine is to decoct the medicine 2 times, divided into 2 morning and evening meals half an hour after the warm service. In case the medicinal juice is too much. V. Handling of special decoctions labeled on the prescription 1, first decoction: half an hour before entering it into the same decoction to ensure the safety of medication. 2, after the next; to be put into the other medicine when the decoction will become, and the decoction can be boiled for a few minutes. 3.Wrapped Decoction It is advisable to use gauze, sweatshirt cloth, silk cloth and other parcels to enter the decoction. 4.Separate Decoction: For example, ginseng and other valuable medicines should be decocted separately, so as not to adsorb the active ingredients of the decoction by other dregs of medicines, resulting in waste. 5.Melting: put it into a small bowl, add 20ml of water or yellow wine, steam it under water to make it melted, and then mix it with other medicinal juice. 6.Brewing: It should be added into other medicinal liquid or boiled water to brew.