Emerald belongs to emerald cosmetics ltd., which provides skin-care services to address people's skin care problems. (b) the integration of cross-border resources through the comparative resources of the various shareholder companies, the granting of traditional beauty industries to the electrician gene, the online use of large data technologies through multi-year utility-operated customer mass databases, and the introduction of offline electrical evaluation systems and sharing and sharing mechanisms to guarantee quality of service and achieve mass entrepreneurship; through a combination of online and offline, a perfect integration of o2o was achieved and new poles in the retail beauty industry were created. 1. Existing projects: zoo project, spectrum project, white project, skin allergy maintenance project. 2. Plumbing projects: services to populations with pox, scabies or oily skins to improve the skin condition of this sector and to keep their skin clean. 3. Scab project: to serve a group of people with scabs on their faces, to dilute the spots on their faces and to give normal skin to people with scabs on their faces. 4. The white and white project, which serves the less skin-rich population, improves its dark and uneven colour. Combine the skin to achieve natural whiteness. Skin allergy maintenance projects: services to sensitive skin populations, dilution of red bloodlines on the face, “hormonal face”, increasing the natural resistance of the skin and making it look more natural。