The invention discloses a multifunctional intelligent air purification ventilating window and belongs to the field of house building doors and windows. According to the technical scheme, the multifunctional intelligent air purification ventilating window comprises an outer frame, a semicircular frame capable of rotating freely is arranged in the outer frame, a glass window capable of being opened and closed is arranged in the semicircular frame, a special air flue space for installation of air filters is arranged at the lower portion of the glass window, and the indoor environment can still be naturally ventilated to exchange air even though the glass window is in a closed state. Ventilating holes of a protective board or ventilating holes of a movable protective board A and a movable protective board B are provided with mosquito preventing screens to prevent mosquitoes. A U-shaped groove capable of containing water is formed between a surrounding board and the air filter A. A filter net capable of absorbing water automatically is arranged between a movable door and a rainproof louver. After the fiber net absorbs the water in the U-shaped groove, the indoor environment can be cooled and humidified. The semicircular frame capable of rotating is arranged and can be used for airing clothes.