Portable hand disinfection device

The invention relates to a portable hand disinfection device which comprises a closed disinfectant storage barrel, a disinfectant output mechanism and a host case. The disinfectant output mechanism comprises a mini air pump, a flexible disinfectant transmission pipe which is a single pipe or a three-way pipe, a disinfectant spray nozzle, a mini electromagnetic valve, a control circuit and a wristfixing ring; the air outlet of the mini air pump is communicated with an air inlet pipe on the upper cover of the disinfectant storage barrel; a disinfectant outlet pipe on the disinfectant storage barrel is communicated with the inlet of the disinfectant spray nozzle by the flexible disinfectant transmission pipe; the mini electromagnetic valve is arranged at the inlet of the disinfectant spray nozzle; the output end of the control circuit is connected with the mini air pump and the mini electromagnetic valve; the disinfectant spaying nozzle, the mini electromagnetic valve and a disinfectantspray switch are fixed on