Leg-less foldable multifunctional bed chair

The utility model discloses a leg-less foldable multifunctional bed chair, which comprises a base, a backrest, a headrest, a rear support assembly, armrests and an article-carrying plate, wherein the angles among the base, the backrest and the rear support assembly can be adjusted according to the requirement; the rear support assembly not only can adjust the angle, but also can prevent the whole device from overturning; the distance between the backrest and the headrest is adjustable; the armrests connected by hinges are arranged on two sides of the backrest and can be folded and attached to the backrest when not in use; armrest sliding posts at the front parts of the two armrests can extend out along armrest sliding chutes and the distances of the armrest sliding posts can be adjusted; the article-carrying plate can be placed on the armrest posts, can be used for holding a note computer and other small articles thereon and can be taken off and is placed on the back side of the armrest when not in use; when the chair is not used, the backrest, the rear support assembly, the armrests, the headrest and other assemblies can be folded and furled in the base so as to reduce the volume; and in addition, the chair can be used for other purposes such as a bedrest.