In the clinic, patients often ask how to decoct Chinese medicine, here is a list for your reference: 1, decoction apparatus: preferred casserole or clay pot (in fact, buy a casserole is not expensive, now there are many casserole is automatic), really can not stainless steel pot can also be, avoid using iron pot; 2, decoction before soaking in cold water for about half an hour (water level over the drug about 2cm), so that the decoction can be good to get 3. “First decoction” is usually to decoct the drug for half an hour before adding the rest of the drug to the decoction (some drugs, such as Radix et Rhizoma, may take longer to decoct and should be decocted until there is no numbness); 4. This is to maintain the flavor of the drug (most of the drugs are decocted after the decoction, such as peppermint and thorny mustard, but if the decoction time is too long, the effect of pungency will be lost); 5. The first decoction is boiled for 20 minutes; the second decoction is boiled for about half an hour; the juice from the two decoctions is mixed and divided into 2 parts, one for each morning and one for each evening; 7. If you need to use the juice externally, the decoction method is the same as before, but the amount of water should be increased and the juice can be diluted before use; 10.