Li Shizhen, a medical scientist of the Ming Dynasty, said: “Where the medicine is taken, although the product is specialized, repair and treatment as the law, but the decoction is recklessly made, the water and fire is bad, the fire is out of order, then the medicine is also useless”; Xu Lingtai of the Qing Dynasty said: “Although the party is in the disease, but not served by the law, not only lack of work, but harmful! “, emphasizing the importance of decoction! The decoction of Chinese medicine and taken properly can often get twice the result with half the effort; this platform, specially collected and combined with the experience of the decoction method and its precautions, edited as follows: I. About decoction vessels Traditional decoction of Chinese medicine is mostly casserole, tile pot, modern ceramic, enamel and its stainless steel, glassware and other materials made of vessels can also be applied, while iron, copper, aluminum, tin pots and other metal utensils should not be used The appliance frying utensils are used with reference to the instructions. The water used for soaking and decocting Chinese medicine is commonly tap water (one hour of sedimentation is appropriate), pure water, clean well water, etc.; soak for about 30 minutes, then decoct; decoction with water without medicine about 50px is appropriate, add enough once before decoction, and generally should not be added during the process, with appropriate cover to avoid volatilization. The decoction time depends on the medicinal properties, the water is boiled for 1~3 minutes in martial fire, and then changed to slow decoction in civil fire; the decoction is stirred 2~3 times, and each dose is often decocted 2 times, usually 30 minutes for the first decoction and 20 minutes for the second decoction; the decoction volume is 50~100ml for children and 100~150ml for adults, and the medicine is concentrated when necessary. The tonic medicine commonly used by blood patients is boiled with martial fire and then slowly decocted with civil fire for 40~60 minutes. Mineral, crustacean and toxic Chinese medicines can be decocted for a longer period of time, e.g. Radix et Rhizoma, which needs to be decocted first and for a long time, even not less than 2 or 3 hours when applied in large doses; for part-time application of antiphlogistic, antipyretic and aromatic medicines, it is not suitable to be decocted for a long time, usually 15 minutes after boiling. Third, special drug decoction 1, “first decoction”: boil for 15-30 minutes, then add other drugs with decoction; 2, “after decoction”: when the general drug is about to be decocted to a predetermined amount, put in the same decoction for 5-10 minutes can be; 3. “Dissolved medicine”: such as mannitol, xuanming powder, etc. dissolve into the soup for drinking; 4. “Melted medicine”: such as various gums commonly used by blood patients: gum, turtle shell gum, turtle shell gum, deer horn gum, etc., add to the decoction and continue to decoct over a light fire. 5. “Punching medicine”: Punching medicine is added to the decoction or boiled water, such as antelope horn powder, Panax notoginseng powder, buffalo horn powder, etc.; 6. 7. “Packaged decoction”: it is appropriate to pack decoction of pollen, granules, plush, starchy herbs, and special herbs such as Qing Dai, which are not easily dissolved in water. Fourth, the Chinese medicine soup serving method decoction, sterilized gauze filter slag poured into the cup, it is recommended 2 decoction after the slag wrapped in gauze, a little cool pressure or hand wringing, in order to squeeze juice; the first dose, re-decoction, squeeze the slag obtained from the liquid, fully mixed in order to balance; morning and evening divided, warm serving is appropriate; for the elderly, children who have difficulty taking medicine, can also be used in small amounts of most or thick decoction after taking. Tonic medicine should be taken after meals, tranquilizing medicine should be taken before bedtime, and relieving medicine should be taken while it is hot and covered with clothes to make it sweat. Dosage: 100~150ml for adults, 2 times a day; 75~100ml for children, 2 times a day; if the liquid is too much, the liquid can be decocted again with a light fire to concentrate. The above decoction method is for reference only. If there are any special conditions, it is necessary to follow the doctor’s order or according to the specific situation.