Down jacket capable of being switched to down quilt

The utility model belongs to the technical field of clothes, and discloses a down jacket capable of being switched to a down quilt, which comprises a jacket body and sleeves connected to two sides of the jacket body. A plurality of horizontal first quilting lines are sewn on the garment body, so that a plurality of first down feather placing areas which are vertically arranged are formed on the garment body, at least one first down feather strip is detachably arranged in each first down feather placing area, and at least one first down feather filling opening is formed in each first down feather placing area; the first down strips can be pulled out through the corresponding first down filling openings and are filled into a quilt cavity of the down quilt. The first down strips are in a stretched state in the down quilt, and the filling power of the down quilt is not affected after long-term use. The down jacket can be folded and stored after the first down feather strip is pulled out, and when the down jacket