The invention discloses an electrostatic spraying device beneficial for spraying work. The electrostatic spraying device includes a machine body, a storage barrel is fixed on the machine body, a discharging hole connected with a conveying pipe is formed in a portion close to the bottom of the side wall of the storage barrel, an elastic filter net is arranged in the discharging outlet, a connectingplate is fixed on a portion, close to the discharging hole, of the inner wall of the storage barrel, a connecting rod vertically extending downward is hinged to a portion close to the middle of the connecting plate, a magnetic column is fixed at the bottom of the connecting rod, a plurality of working needles are arranged on the outer surface of the magnetic column, and both ends of the connecting plate are fixedly provided with a first electromagnet and a second electromagnet used for sucking the magnetic column; according to the electrostatic spraying device, the blockage of coating in theconveying pipe is avoided, and the continuity of transportation work is ensured, thereby improving spraying efficiency.