What does decoction mean?

Decoction usually refers to the method of taking Chinese herbal medicines, i.e., herbal medicines are soaked and then decocted in water until the active ingredients are precipitated.
Chinese herbal medicines are taken by decoction with water, one dose per day, in the morning and evening on an empty stomach. The usual decoction process is to soak the tablets for 20 minutes. After that, the herbs are poured into a casserole dish, water is added, and the decoction is first made over a high flame.
When it comes to a boil, switch to a gentle heat, and the decoction time varies for different herbs. Exopathogens such as ephedra, cinnamon sticks and silver flowers are usually decocted for about 20 minutes. If it is a tonic, such as ginseng, etc. Usually the decoction time is more than 1 hour on a gentle flame. Finally, pour out the decoction. Add water to the decoction again. Finally, mix the two medicinal liquids well and take them separately in the morning and evening.