Put all the drugs inside the pot, the water surface is 1-2 cm higher than the surface of the drug, cold water soak for half an hour, boil with high heat, and then cook for about 25-30 minutes on low heat, cook the drug into about 250 ml, pour the medicine out, add the right amount of cold water, and then cook for half an hour, and cook again into about 250 ml, two times the drug can be put together, divided into two portions, take one in the morning and one in the evening, do not drink cold (you can also (Boil once to drink once) If there is a first decoction of drugs, the first 20-30 minutes in the bubble medicine, and then put the other drugs together, if there is a later drug under the drug wait until the drug is almost done (about 5 minutes) and then put the later drug in.