The invention discloses a car seat with a temperature regulating function, which comprises a seat cushion, a regulator, a regulating handle, a fixer, an armrest, a control button, a control panel, a backrest, a massager, a lifting rod, an elastic band, a pillow, a headrest, Zipper, storage bag, motor, first transmission shaft, first cooling fan, first temperature sensor, airbag, inflator, impact sensor, second temperature sensor, heat preservation pad, second cooling fan, battery, second Drive shaft and PLC controller, the seat cushion is connected with the backrest through the adjuster and the adjustment handle, the two sides of the backrest are correspondingly equipped with armrests through the fixer, a massager is installed on one side of the seat cushion and the backrest, and the backrest The top of the car seat is equipped with a headrest through a lifting rod, and a headrest is installed on the lifting rod through an elastic band, and an airbag is installed inside the headrest.