The invention relates to a comprehensive protective door for a smart home. The comprehensive protective door for the smart home comprises a bearing keel, a protective panel, a plurality of partition plates, a displayer, an air filtering device, temperature sensors, an air quality detection device, a negative ion generation device, an ultraviolet sterilization device and a control circuit, wherein the bearing keel is of a cubic frame structure; the partition plates are embedded in the bearing keel and divide the bearing keel into at least two bearing cavities mutually communicating; the protective panel is slidably connected with the bearing keel through a sliding rail, and the bearing keel is covered with the protective panel, so that an airtight cavity structure is formed; and the air filtering device, the air quality detection device, the negative ion generation device, the ultraviolet sterilization device and the control circuit are all embedded in the bearing cavities. By the adoption of the comprehensive protective door for the smart home, on the one hand, the indoor air environment can be effectively purified; and on the other hand, the indoor air quality can be detected all the time, and detection results are displayed.