Car washing liquid anti-freezing system and car washer

The utility model provides a car washing liquid anti-freezing system and a car washing machine. The car washer anti-freezing system is used for anti-freezing treatment of a car washer fluid proportioning system and a clear water pipeline. The proportioning system comprises a water inlet pipeline, a proportioning execution mechanism communicated with the water inlet pipeline and a proportioning system water outlet pipeline communicated with the proportioning execution mechanism. The anti-freezing system further comprises a water storage device; a water outlet pipeline of the water storage device is communicated with the car washing liquid proportioning system; and the gas source is communicated with the water outlet pipeline through a first gas path and communicated with a liquid inlet pipeline of the proportioning system through a second gas path. The anti-freezing system can be used for various types of automatic car washing machines. The anti-freezing system can be started to work ata low temperature, resid