Device for detecting existence of children in car and car with same

The utility model discloses a device for detecting existence of children in a car. The device comprises a thermal infrared human body sensor, at least one pressure sensor, at least one distance sensor, an alarm and a controller. The thermal infrared human body sensor detects thermal infrared data in the car, the pressure sensors detect pressure data of seats in the car, the distance sensors detect data of distances between a car roof and the tops of heads of people on the seats, and the controller is connected with the thermal infrared human body sensor, the pressure sensors, the distance sensors and the alarm and controls the alarm to give an alarm according to the thermal infrared data, the pressure data and the distance data. By the device high in reliability, occurrence rate of leaving the children in the car can be reduced effectively, accidents caused by leaving the children in the car can be avoided, personal safety of the children can be guaranteed, and parents' needs can be met. The utility model further discloses the car comprising the device for detecting existence of the children in the car.