1, decoction apparatus: try to use casserole, sand pot, enamel, stainless steel and other appliances in decoction is better, avoid using iron, copper, aluminum pots and other metal appliances. 2.Water: Before decoction, put the medicine into a pot or other container, add clean cold water to soak the medicine, add water to submerge 2-3cm over the surface of the medicine and soak for 20-30 minutes. 3. Decoction method: Each dose of medicine can be cooked twice. The first decoction is made by boiling the soaked medicine with high fire, then change to low fire and keep the medicine boiling for 20-30 minutes; then the second decoction is made by adding less water (to submerge the medicine) with the same fire as the first decoction. In general, it is not advisable to open the lid of the pot frequently when decocting, otherwise the smell will be easily lost and the effectiveness of the medicine will be reduced. Precautions for taking Chinese medicine 1. Take one dose daily, once in the morning and once in the evening. Mix the two decoctions and take them warm in the morning and afternoon, half an hour after meals (not on an empty stomach), about 6 hours apart. If you don’t take it, you can keep it in the refrigerator. 2. For patients who take Chinese medicine for a long time, you can use a larger container to decoct 3 doses of medicine at a time, put it in the refrigerator and take it warm before taking. 3. During taking Chinese medicine, it is better to avoid eating cold, spicy, greasy, fried, fishy food, such as fish, shrimp, crab, hot pot and other stimulating food, and not to eat radish, strong tea, coffee, etc. at the same time, and avoid smoking and alcohol. Special decoction method: 1.First decoction: first decoction in other herbs for 15-20 minutes on high heat, then add other drugs to the same decoction. 2, after the next: 5 minutes before the other drugs decoction into the pot decoction. 3.Melting: first add warm to dissolve it, then add it to the dregs of the decoction to slightly boil it, or stir it while it is hot to dissolve it: such as gum, deer horn gum, caramel. 4.Melting: dissolve directly in the decoction: mannitol, xuanming powder. 5.Separately decocted and blended in: Decocted separately and the juice is directly blended into other medicinal solutions for taking: ginseng, American ginseng, deer antler, wormwood and other precious drugs. 6.Rushes: can be taken directly with the medicinal soup: niuhuang powder, panax ginseng powder, musk.