Portable handheld spraying device

The utility model relates to the technical field of spraying, in particular to a portable handheld spraying device which comprises a U-shaped shell, a holding part and a sealing cover, the U-shaped shell comprises a first inner side face and a second inner side face which correspond to each other, and the holding part is vertically arranged between the first inner side face and the second inner side face; the first inner side face is located above the second inner side face, an elbow support part is arranged on the tail portion of the second inner side face, the sealing cover is arranged on the elbow support part, and a spraying head is arranged on the side, away from the sealing cover, of the U-shaped shell; the holding parts are arranged on the two inner side faces of the U-shaped shell, the elbow support parts and the holding parts are correspondingly arranged, and when a user holds the holding parts, the elbows of the user just abut against the sealing covers on the elbow support parts, so that the holdin