Zisha pot is more stable in nature, not easy to react with drugs, so generally speaking, decocting with Zisha pot is not harmful to the human body. Decoction of traditional Chinese medicine more selection of casserole, pottery, stainless steel and other components of the more stable vessels, try not to use iron, aluminum, copper or plastic products, because these materials at high temperatures are easy to chemical reaction with the drug, thereby affecting the efficacy of the drug. Purple clay pots for the production of raw materials mainly for the purple clay, it should be noted that the purple clay pots are mostly double pore structure, pore micro-fine and high density, so that the drug ingredients to penetrate, may weaken the effectiveness of the medicine, and the purple clay pots more capacity is small, is not suitable for the drug bias more than the time of decoction. To maximize the efficacy of Chinese medicine, in addition to decocting vessels, but also to follow the doctor’s instructions to choose the appropriate medication decoction time, fire, as well as with or without the first under, after the next decoction method.