Automotive air conditioning system and automobile

The utility model discloses a vehicle air conditioning system and a vehicle. The vehicle air conditioning system comprises a compressor, a first heat exchanger, a second heat exchanger, a throttling device and a four-way valve. The four-way valve is provided with four external pipes which are an H pipe, an I pipe, a J pipe and a K pipe, the H pipe is selectively communicated with the I pipe and the K pipe, the J pipe is selectively communicated with the I pipe and the K pipe, and the throttling device is connected between the first heat exchanger and the second heat exchanger. The vehicle air conditioning system further comprises an installation support, a plurality of pipeline fixing parts are arranged on the installation support, and the H pipe, the I pipe, the J pipe and the K pipe are arranged on the corresponding pipeline fixing parts respectively. And a coil of the four-way valve is arranged on the mounting bracket. The use reliability of the vehicle air conditioning system is improved. 本实用新型公开一种车用空调系统及