1 Different materials: Coral bone is made of natural high-quality coral, which has good biocompatibility, close to bone, stability, osteoconductivity, strong osteogenic ability, and can vascularize. It is often heard that bone powder beauty treatment is synthesized from chemical materials and is biocompatible, but it cannot be vascularized and has no bone conduction and bone formation capabilities; 2 Side effects: Coral bone is non-toxic, has no immune rejection reaction, and will not cause local redness. Whitening, chemical bone powder has inflammation and rejection reactions, and is prone to local ischemia to supply redness and whitening; 3 operation methods: Coral bone is an advanced minimally invasive technology, special equipment, operated by doctors with professional skills, local anesthesia, subperiosteal The channel is accurately peeled off according to the molding area, and pure coral bone is accurately injected to instantly shape as needed, without spreading or shifting, the effect is permanent, and easy to take out; chemical bone powder is a traditional periosteum injection that requires the addition of a modifier, and the product after injection is a large area Between soft tissues, it is easy to spread between soft tissues and shift and deform. It is permanent and difficult to remove; 4. Different qualifications: Coral Bone has a Class III medical device certificate, each batch is valid for five years, two invention patents and EU certification , various academic disciplines are diverse; chemical bone meal has not been certified since it was banned in 2006