The bear purple sand electric stewing cup is made of Tai Po purple sand, which makes the soup more nutritious. Moreover, purple sand is rich in various elements needed by human body and has health care function. Trace elements such as iron, iodine, copper, manganese, zinc, cobalt, chromium, selenium, fluorine, silicon, tin and vanadium in human body are closely related to the life activities of the body, and their importance exceeds that of vitamins. In purple sand, the content of iron oxide can reach about 8%, and the content of trace elements such as silicon and manganese is also relatively high. Other elements such as calcium, magnesium, sodium and potassium are also important elements needed by human body. Therefore, the inner container of purple clay pot, like medical stone, is a mineralized environment to help the human body absorb important elements.