First, decoction utensils: choose ceramic, casserole, enamel pots with lids. Prohibit the use of iron pots, lead pots, aluminum containers to decoct Chinese medicine, because some drugs with these containers will be decocted precipitation, reduce solubility, or even chemical changes, side effects on the human body, and affect the efficacy. Second, the decoction of water (a) the quality of water, more drinking water (tap water, well water, river water), to clarify the clean, less mineral water is good. (B) Water Pour the herbs into the decanter, add water to the first decoction to soak over the drug 3-125px, and add water to the second decoction to soak over the drug 2-75px. It is appropriate to add enough water at one time before decocting, do not add water several times in one decoction, not to dry the medicine and then add water to decoct again. Drugs fried paste can not be taken. Third, soak the medicine: before decoction, it is advisable to use cold water to soak the herbs through. If you do not pre-soak with cold water, directly with fast fire decoction, so that the capillary blockage of the surface of the medicinal herbs, the exudation of active ingredients received an impact. Generally, it is appropriate to soak the compound soup for 30 minutes to 1 hour before decoction. Fourth, the decoction of fire and time: (a) fire first take the fire, boil with the fire. The lid should not be opened frequently when cooking the medicine to minimize the loss of play components. Avoid decocting with boiling water, because certain medicines solidify immediately after encountering boiling water, affecting the dissolution of active ingredients. Generally the soup is decocted in water for 2 times, 70-80% of the active ingredients have been decocted. (According to the different properties of drugs, the time of decoction is not the same. Specific time is as follows: 1, antidepressants, purgatives, aromatic drugs: the first decoction of 10-15 minutes, the second decoction of 10 minutes, such drugs should not be decocted for a long time, so as not to avoid volatilization of the drug, reduce the efficacy of the drug, or even change the nature of the drug. 2, tonic medicine: the first decoction 20-30 minutes, the second decoction 30 minutes, so that the efficacy of the decoction as far as possible, give full play to the power of medicine. 3.Toxic medicines: Decoct for 60-90 minutes to reduce toxicity. 4.General compound prescription: 20-30 minutes for the first decoction, 10-15 minutes for the second decoction, so that the active ingredients can be fully dissolved. 5, in the prescription, magnetite, oyster and other mineral drugs, shellfish and other drugs labeled “first decoction”, should be put into the pot first, about 30 minutes of decoction and then with other drugs with the decoction; labeled “after the next” of the drug, to be put into the other drugs when the decoction is almost ready to boil a few minutes; for the labeled “after the next” of the drug, to be put into the other drugs when the decoction is ready to boil. After a few minutes can be; for labeled “package decoction” of herbs, should be wrapped in gauze before decoction. Attention to taking 1, Chinese medicine soup should be taken warm. If it is for treating cold symptoms, it should be taken hot; if it is for treating hot symptoms, it should be taken cold. 2, such as nausea, vomiting, you can take a small amount, frequent, can reduce the stimulation of the stomach, to prevent the medicine into the vomit. 3, when taking Chinese medicine, it is best to avoid eating cold, greasy, spicy, fishy and other stimulating food.