No, according to Aiqi's investigation, Caiyi Plaster is a registered trademark of Nanyang Hong Zhong Pharmaceutical Co., Ltd., which is listed as a drug internationally. It is a formal business enterprise registered in the industrial and commercial department, not a scam. Seven-layer Tougu Plaster is a formally approved plaster patch, and its permeability can enter all layers of joints and reach the seventh layer of joints, thus killing pathogens attached to joints and eliminating patients' pain.