The design of the intelligent guided disinfection robot in the library adopts the modular design method. The ultraviolet disinfection lamp module and disinfection spray module can be interchangeably installed to form the disinfection system, so as to better fulfill the disinfection needs in the library. The ultraviolet searchlight can be extended to better fulfill the disinfection needs of different locations of the books, and the disinfection spray can better complete the disinfection of the library hall. Fully meet the library indoor disinfection needs.