The utility model provides a temperature control device in car parking state car, its be utilize a wireless remote control ware and can start the unit at the power that the car was controlled to the distal end, the engine starts actuating of unit, power windows start -up unit and air conditioner start -up unit to the inside temperature regulation's of completion automobile function, so the structure of without change automobile body, and the installation is simple and easy, can solve automobile sultry or chilly puzzlement in inside under parking state, in specific words, the utility model discloses a characteristic is for convenient, safe, comfortable and with low costs to be applicable to the installation of all new cars or used car.