Normal. According to the information of National Health Network, porcelain waist is a health care product mainly for losing weight. When in use, the medicinal powder is placed on the navel, and at the same time, it is hot-pressed with a salt bag, so that the medicine can play a role, remove moisture in the body, promote blood circulation, thus achieving the purpose of eliminating edema and losing weight, and also helping to improve the skin. Sweating indicates that there is heavy moisture in the body, which is normal.