Portable insecticidal sprayer

The utility model provides a portable insecticidal sprayer, which relates to the technical field of agricultural planting and comprises a spraying machine, one side of the spraying machine is provided with a supporting mechanism, the supporting mechanism comprises a side plate fixedly connected with one side of the spraying machine, the top of the side plate is provided with a knob, and one side of the knob is fixedly connected with a connecting rod. According to the spraying machine, the supporting mechanism is arranged, the supporting frame and the supporting block are used for supporting the spraying machine, the spraying machine can be prevented from being placed on the ground before being used, the phenomenon that a user needs to squat and carry the spraying machine on the back is avoided, the fixing force of the top block and the supporting frame is relieved by rotating a knob, and the supporting frame can be moved out from the interior of the side plate; and the supporting frame is fixed by means of th