First of all, the invention has a full range of ultra-violet disinfection and sterilization functions. The design adopts an open and close principle, which can effectively block ultraviolet radiation to protect the health of users. Secondly, the ultraviolet disinfection system adopts a rechargeable design and can be freely disassembled and installed, enabling users to choose an installation location according to their personal needs. Finally, it supports mobile phone programs to control single or multi-body ultraviolet disinfection devices, and implement a remote-controlled real-time switch or time switch. With innovative features, it is convenient for users to control the disinfection system.