A rain boot and uniform footwear with intelligent temperature-controlling air extractor and water-proofing and air venting functions comprising: a boot upper layer, a middle cushion layer and a boot lower layer; wherein a bottom surface of the middle cushion layer is fixedly fitted with the boot lower layer; the boot upper layer is fixedly connected with the boot lower layer, and the middle cushion layer is provided in a cavity enclosed by the boot upper layer and the boot lower layer; wherein: a miniature air extractor, a magnetic levitation power switch, a temperature sensor and a control main board are provided inside the boot lower layer; the temperature sensor is electrically connected with an input terminal of the control main board to send a temperature sensing signal at a foot portion to the control main board, an output terminal of the control main board is electrically connected with the miniature air extractor via the magnetic levitation power switch; a piezoelectric plate and a storage battery which is electrically connected with the magnetic levitation power switch are provided inside a heel on a rear portion of the boot lower layer; the piezoelectric plate is electrically connected with the storage battery, and the piezoelectric plate generates currents and stores the currents in the storage battery; and a Nylon fiber network is provided inside the boot upper layer; the boot lower layer comprises a medium sole and a large sole; a first air vent and elastic buffer sponge are provided on a front end of the large sole; a second air vent is provided on a forefoot position of the medium sole; the first air vent is covered with breathable and waterproof long-fiber nonwoven which is performed with anti-siphon treatment; the miniature air extractor, the magnetic levitation power switch, the storage battery, the temperature sensor, the control main board and the piezoelectric plate are all provided in the medium sole; a bleeder hole is opened on a side of the medium sole for discharging moisture in the boots. a boot upper layer, a middle cushion layer and a boot lower layer; wherein a bottom surface of the middle cushion layer is fixedly fitted with the boot lower layer; the boot upper layer is fixedly connected with the boot lower layer, and the middle cushion layer is provided in a cavity enclosed by the boot upper layer and the boot lower layer; wherein: a miniature air extractor, a magnetic levitation power switch, a temperature sensor and a control main board are provided inside the boot lower layer; the temperature sensor is electrically connected with an input terminal of the control main board to send a temperature sensing signal at a foot portion to the control main board, an output terminal of the control main board is electrically connected with the miniature air extractor via the magnetic levitation power switch; a piezoelectric plate and a storage battery which is electrically connected with the magnetic levitation power switch are provided inside a heel on a rear portion of the boot lower layer; the piezoelectric plate is electrically connected with the storage battery, and the piezoelectric plate generates currents and stores the currents in the storage battery; and a Nylon fiber network is provided inside the boot upper layer; the boot lower layer comprises a medium sole and a large sole; a first air vent and elastic buffer sponge are provided on a front end of the large sole; a second air vent is provided on a forefoot position of the medium sole; the first air vent is covered with breathable and waterproof long-fiber nonwoven which is performed with anti-siphon treatment; a miniature air extractor, a magnetic levitation power switch, a temperature sensor and a control main board are provided inside the boot lower layer; the temperature sensor is electrically connected with an input terminal of the control main board to send a temperature sensing signal at a foot portion to the control main board, an output terminal of the control main board is electrically connected with the miniature air extractor via the magnetic levitation power switch; a piezoelectric plate and a storage battery which is electrically connected with the magnetic levitation power switch are provided inside a heel on a rear portion of the boot lower layer; the piezoelectric plate is electrically connected with the storage battery, and the piezoelectric plate generates currents and stores the currents in the storage battery; and a Nylon fiber network is provided inside the boot upper layer; the boot lower layer comprises a medium sole and a large sole; a first air vent and elastic buffer sponge are provided on a front end of the large sole; a second air vent is provided on a forefoot position of the medium sole; the first air vent is covered with breathable and waterproof long-fiber nonwoven which is performed with anti-siphon treatment; the miniature air extractor, the magnetic levitation power switch, the storage battery, the temperature sensor, the control main board and the piezoelectric plate are all provided in the medium sole; a bleeder hole is opened on a side of the medium sole for discharging moisture in the boots.