Independent rear suspension system of automobile

The invention discloses an independent rear suspension system of an automobile. The independent rear suspension system comprises a rear suspension body, a first auxiliary spring and a second auxiliary spring. The first auxiliary spring and the second auxiliary spring are arranged between the rear suspension main body and the vehicle body, and the upper ends are connected to the automobile body; when the wheels are in a non-jumping state, the lower end of the first auxiliary spring and the lower end of the second auxiliary spring are separated from the rear suspension body by a first preset distance and a second preset distance respectively in the vertical direction, the second preset distance is larger than the first preset distance, and the first preset distance and the second preset distance are both smaller than the limit jumping distance of the wheels. The independent rear suspension system can ensure that the automobile always has better comfort under different loads, and meets the comfort requirement of