Rear window rainproof device

The utility model discloses a rear window rainproof device, which relates to the technical field of tractor equipment and comprises a cab, a tractor outer roof arranged above the cab, a rear window arranged behind the cab, a rain baffle and bolts, and a plurality of threaded holes arranged on one side of the tractor outer roof close to the rear window. The rain baffle is installed on the surface of one side of the outer top of the tractor through a plurality of bolts. According to the rear window rainproof device, by arranging the rain baffle, when a driver opens the rear window in rainy days, rainwater falling on the outer top of a tractor can be drained to the rear window to flow down, the rainwater is prevented from flowing into the cab along a gap between the outer top of the tractor and the cab, and inconvenience is brought to the driver; meanwhile, the rain baffle is made of a synthetic glass resin material which is transparent and does not affect the sight of a driver, and the material has the advantag