Warming quilt

A thermos quilt solves the problem of the existing quilts that blanket heads are all straight and do not provided with Baltimore grooves no matter the quilts are single quilts or double quilts. In order to prevent from catching cold in the sleep, people usually press two laterals of the blanket head under two shoulders before falling asleep. Because the existing quilts are not provided with the Baltimore groove, the middle portion of the blanket head forms a plurality of layers of stacking at people' s neck, thereby the neck is pressed, people can not easily fall asleep. An inner container of the thermos blanket and the blanket head portion are provided with one to two Baltimore grooves. At using time of a single person or two persons, because people's neck lies in the Baltimore groove position, compression of the neck is avoided, and two shoulders are in a warming state. The utility model has a good warming effect, and people can easily and comfortably fall asleep.