The invention discloses an automobile 
steering wheel with a heating function, which comprises an outer disk, an inner disk, an 
iris recognition sensor, a connecting rod, an opening, a heater, an air duct, fan blades, a rotating shaft, a rotating motor, a temperature-sensitive 
magnet, a permanent 
magnet, a spring,  striker, reset switch, memory, alarm, storage battery, 
humidity sensor and single-
chip microcomputer, one side of the outer disk is provided with several openings, the inside of the outer disk is equipped with a rotating motor, and one side of the rotating motor is equipped with a rotating shaft  A 
fan blade is installed on one side of the rotating shaft, an air duct is installed on one side of the 
fan blade, a heater is installed inside the air duct, a permanent 
magnet is installed inside the heater, and the permanent magnet  A temperature-sensitive magnet is installed on one side of the temperature-sensitive magnet, and a 
firing pin is installed on the bottom of the temperature-sensing magnet, and a reset switch is installed on one side of the 
firing pin. This device not only has an automatic alarm function, but also has a heating and dehumidification function, which is more convenient  use of the driver.