How to decoct Radix Angelicae Sinensis, Lotus Roots, Dayun, Spleen, Semen Astragali, Semen Cuscutae, Eucommiae Cortex, Morinda officinalis, Mulberry, Rosa laevigata and Spine'

hello! Generally, it is fried in a casserole. Tao Hongjing said, "Do not use iron in warm soup." Li Shizhen said: "Anyone who decocts medicine and avoids copper and iron should use a silverware crock." The amount of water added is generally 2 ~ 3 cm after soaking. It is advisable to soak the medicine to be decocted in cold water for 4 ~ 5 min before decocting. Traditional Chinese medicine is usually decocted with strong fire until it is slightly boiling, and then decocted with slow fire. The decocting time is based on the simmering time. The classic prescription in Zhang Zhongjing's Treatise on Febrile Diseases has no precise requirement on the decocting time. Generally, the decocting time is controlled according to the amount of solvent added and the amount of decoction. Most decoctions are decocted to about 1/2 ~ 1/3 of the added solvent.