Modularized disinfection device

The utility model discloses a modularized disinfection device, and relates to the technical field of medical instruments. The disinfection device comprises a liquid storage module used for storing a disinfectant, the liquid storage module comprises at least one modularized liquid storage tank, and the modularized liquid storage tank is provided with an interface which is connected in series with other modularized liquid storage tanks for communication; the disinfection spray head is communicated with the modularized liquid storage tank and is detachably connected to a fixing device; the disinfection switch has a turn-on state and a turn-off state; the guide pipe is connected between the liquid storage module and the disinfection nozzle; the disinfection switch is connected to the guide pipe, the liquid storage module or the disinfection spray head, and the disinfection liquid is conveyed to the disinfection spray head from the liquid storage module when the disinfection switch is in the opening state. The dis