Sterilizing device

The utility model belongs to the technical field of disinfection, and aims to solve the problems that the hydrogen peroxide heating efficiency is poor, energy is wasted, and the use effect is influenced. The disinfection device provided by the utility model comprises a shell, a heating assembly and a pipeline assembly, and the shell is provided with a closed accommodating cavity; the heating assembly comprises a heating piece, the pipeline assembly comprises a disinfection pipe, and the disinfection pipe and the heating piece are both located in the containing cavity; the disinfection pipe is provided with a liquid injection port and an exhaust port, the liquid injection port is used for injecting disinfectant, the heating piece is configured to heat the disinfectant in the disinfection pipe so as to vaporize the disinfectant, and the exhaust port is configured to discharge the vaporized disinfectant. According to the utility model, the vaporization efficiency of disinfectant is improved, and energy is saved.