An anti-smog screen window, at least a part of which includes at least one layer of gauze; when there are multiple layers of gauze, each gauze is interlaced with each other, and there is a gap between each gauze, and there is also a protective net to prevent users from touching the gauze; the gauze The fiber thread includes a coating capable of generating static electricity through friction with flowing air, said fiber thread is made of polyethylene terephthalate, and the coating is made of terpolymer elastic rubber; the gauze Pollution particle detectors are installed on the inner and outer sides respectively. The upper edge of the gauze is equipped with a water waterfall uniform flushing tank, and the lower edge is equipped with a sewage collection tank. The joints that are sealed and connected, the water injection container and the water collection container are a container. The container is unloaded after the water waterfall flushing tank is filled with water, and then installed on the sewage collection tank to collect sewage. After the sewage is collected, the container is emptied , rinse off and reuse. The window screen of the invention can realize automatic cleaning.