Micro-plastic surgery includes many items, such as hyaluronic acid injection, whitening needle, fat-dissolving needle and so on. Due to the convenience of operation, the operation time is usually about 1~2 hours. Technology is the method and principle of solving problems, and it refers to the method that people use existing things to form new things or change the functions and performance of existing things. Technology should have a clear scope of use and forms and carriers recognized by others, such as raw materials (input), finished products (output), processes, tools, equipment, facilities, standards, specifications, indicators, measurement methods, etc.