The dormitory quilt in Chenggong campus of the middle school affiliated to Yunnan Normal University should be 2 meters long. The quilt size of the student dormitory in Chenggong Campus of the middle school affiliated to Yunnan Normal University can be 1.5× 2m, or1.5×1.8m. The single bed size of the school dormitory is 0.9×1.8m. When choosing the quilt size, you can choose according to this standard. You can choose a suitable quilt according to your actual needs, or you can choose a bigger quilt, so that you won't leak air or catch a cold when you cover it.