The invention provides a multifunctional movable window. The multifunctional movable window comprises a fixed window body, a movable window body and a curtain. The movable window body comprises a window opening machine, and an automatic closing mode is activated in case of raining or burning. The fixed window body comprises a transparent solar panel. The curtain comprises a curtain motor. The curtain motor drives a wheel and a gear ring to rotate in a meshed mode to achieve curling and extending of the curtain. The multifunctional movable window has the advantages of capabilities of ventilating and preventing mosquitoes, rain and fire and multifunction.