Glass window inner cavity cleaning structure and cleaning method thereof

The invention discloses a glass window inner cavity cleaning structure. The glass window inner cavity cleaning structure is characterized by comprising a cleaning device mounting cavity which is vertically formed in one side of a window frame, and a window inner cavity cleaning device is arranged in the cleaning device mounting cavity; the window inner cavity cleaning device is provided with a front side cleaning face located on the front side and a rear side cleaning face located on the rear side, cleaning screws are detachably arranged at the upper end and the lower end of the front side cleaning face correspondingly, and horizontally-arranged cleaning open grooves are formed in the positions, corresponding to the threaded holes, of the upper end and the lower end of an inner cavity of the window frame correspondingly; and the outer side of each cleaning open groove is covered with a detachable open groove baffle, and the outer side of the cleaning device mounting cavity is covered with a detachable mountin