The principle of daughter's waist blue box is to act on human body through navel. According to the relevant public information, when the ingredients in the patch are absorbed through the epidermis navel, it can supplement the lipolytic enzyme in the user's body, thereby decomposing the excess fat in the user's body and improving the metabolic cycle of the human body, thus achieving the effect of lasting slimming and beautifying. Daughter waist herbal energy film can also activate lipase activity in the user's body, thus accelerating the decomposition of fat waste accumulated in the body, thus achieving the purpose of losing weight.