Hand sterilizer

The utility model discloses a hand sterilizer and belongs to the technical field of sterilizers. The sterilizer comprises a shell, wherein a cavity is formed in the shell; a disinfection tank is arranged at the bottom of the shell; the disinfection assemblies are all arranged in the cavity; the disinfection assembly comprises a disinfection container, a pump body, a controller and an atomization nozzle; the input end of the pump body is connected with the disinfection container, and the output end is connected with the atomizing nozzle through a pipeline; the pump body is in circuit connection with the controller; the output end of the atomization nozzle faces the disinfection tank; the induction assembly comprises a photoelectric emitter and a photoelectric receiver; the photoelectric emitter and the photoelectric receiver are arranged in the disinfection tank; the photoelectric emitter and the photoelectric receiver are respectively positioned at two opposite ends of the disinfection tank; the photoelectric