1.Usually soak the herbs in cold water first (the amount of water should submerge the herbal drink 2 cm) for half an hour to 1 hour before cooking on the fire. 2, first with high heat water boiling and then turn off the fire, keep the water boiling after half an hour. If you are treating acute illnesses such as colds and flu, just boil the water and then fry for 15 minutes. Tonic medicine and minerals should be decocted for a long time. 3. Usually decoct twice, mix twice and serve in 2-3 times. Generally, the interval between taking medicine and eating should be about 1 hour. Before and after meals depends on the disease and the nature of the medicine. Yinchuan Hospital of Traditional Chinese Medicine, Infectious Diseases Department, Wang Yanjie 4.There are special serving methods such as first decoction, second decoction, packet decoction, etc. The doctor will give special instructions. 5, during the period of taking medicine usually forbidden to eat spicy, cold, greasy, fishy things.