Automatic deinsectization device based on modern agriculture and use method

The invention discloses an automatic deinsectization device based on modern agriculture and a using method, the automatic deinsectization device comprises a fixed base, a first mounting side plate and a second mounting side plate are separately mounted on the left side and the right side of the bottom end of the fixed base in an inlaid manner, and an inlaid circular hole is formed in one side of the fixed base; an electric telescopic rod is detachably mounted at the top end of the fixed base, a mounting side seat is detachably mounted at the top end of the electric telescopic rod, and a fixed supporting plate is mounted at the bottom end of the mounting side seat in an embedded mode. By arranging an electric telescopic rod, a fixed supporting plate, a mounting side seat, a communicating pipeline and an atomizing nozzle and utilizing mutual cooperation of the several components, the electric telescopic rod is firstly started through a point signal according to the specific situation when the device is used, th