The invention discloses an air purification window. The air purification window comprises a window body, the window body comprises a window frame, two glass window bodies capable of being opened outwards are mounted in the window frame, and the closed junction of the two glass window bodies is provided with an interlocking handle; the air purification window further comprises ventilation mechanisms, dust removal mechanisms, atomization mechanisms, an air exchange mechanism, a transfer mechanism, a filter and a control system; the ventilation mechanisms are mounted at the two sides of the window body, the dust removal mechanisms are mounted in the ventilation mechanisms, the filter is mounted in the ventilation mechanism at the right side of the window body and connected with the atomization mechanisms through pipelines, the air exchange mechanism is mounted at the bottom of the window body and internally comprises the transfer mechanism, the atomization mechanisms and the control system, and a roller shutter device is mounted at the top of the front side face of the window body. Through integrated design, a more intelligent home air exchange measure is provided.