Inward-opening fireproof window with waterproof structure

The inward-opening fireproof window comprises a window frame and a window sash hinged to the window frame through hinges, each hinge comprises a first hinge piece and a second hinge piece, the first hinge pieces are arranged on the vertical edges of the inner side of the window frame, the window sashes are installed on the second hinge pieces and rotationally opened on the inner side of the windowframe, and each window sash comprises fireproof glass and a sash frame. A flange is arranged on the outer side of the window frame, a groove A is formed in the surface of the outer side wall of the sash frame, a sealing piece A is clamped in the groove A, the sealing piece A is connected with the flange in a sealed mode to block outdoor rainwater and dust, the rainwater and the dust are preventedfrom entering a room from the joint of the window sash and the window frame, and a good fire insulation effect can be achieved. The waterproof sealing strip is arranged at the bottom of the inner side of the window frame, is