Tower fan capable of being quickly disassembled and assembled

The tower fan comprises a tower fan body, the tower fan body comprises a front shell and a rear shell, a window is formed in the rear shell, a filter screen is detachably connected to the window, and barb-shaped buckles are arranged on the two sides of the filter screen. A window is formed in the rear shell, clamping edges are arranged on the rear shell and located on the two inner sides of the window, notches allowing the buckles to stretch into are formed in the clamping edges, and after the buckles stretch into the notches, the filter screen is driven to move so that the buckles can be clamped with the clamping edges. The filter screen is operated to move downwards, the barb-shaped buckles can be clamped on the clamping edges, and at the moment, the filter screen is installed; when the filter screen needs to be disassembled, the filter screen needs to be operated to move upwards, the buckles can be separated from the clamping edges, the filter screen can be disassembled at the moment, the structure is simp