Efficient electric chain saw

The efficient electric chain saw comprises a machine body arranged on the top face of a supporting plate, a transmission wheel is rotationally connected to the inner wall of one side of the machine body, a chain plate is fixedly connected to the position, horizontally opposite to the transmission wheel, of the inner wall of one side of the machine body, and the outer wall of the chain plate and the outer wall of the transmission wheel are provided with the same chain. One side face of the machine body located on the two sides of the chain is provided with a scrap removing structure. The scrap removing structure comprises a fixing plate fixedly connected to one side face of the machine body, a sliding groove formed in one side face of the machine body, a grinding block slidably connected to the inner wall of the sliding groove through a sliding block, an air bag arranged on one side face of the fixing plate and one side face of the grinding block, an air nozzle arranged on one side face of the grinding block a