The Four Seasons quilt   also called as  mother and son quilt, which is composed of a summer quilt and a spring & autumn quilt. The four seasons quilt were used in the process of different thickness of the quilt with the use of random, not only increase the utilization rate of the quilt, but also make it easier and more convenient to receive and arrange the quilt, the four seasons quilt were able to reduce a lot of housework, efficient use of space.