Portable disinfecting and killing spraying device

The invention discloses a portable disinfection spraying device which comprises a device body, an atomization part and a liquid storage part, the atomization part is connected with the device body and the liquid storage part, the device body comprises a fan, and disinfectant is placed in the liquid storage part. The atomization part comprises an air channel, a fastener, a flow guide part and a liquid channel, the liquid channel is tubular, one end of the liquid channel extends into the liquid storage part, the other end of the liquid channel extends into the air channel, and the other end of the liquid channel is connected with the flow guide part. The flow guide piece is arranged at the end of the air duct, and the relative position of the flow guide piece and the air duct is fixed through connection of the fastener and the air duct. And the flow deflectors are uniformly distributed on the whole conical bottom surface and mutually form angles. The fastener is cylindrical, holes are formed in the two ends of