Abstract: An air-cushioned sleeping bag comprises a bottom portion and a cover member partially connected on their corresponding edges and partially fastened by zipper on their rest edges. The bottom portion comprises a plurality of the elongate air compartments parallel extended along the longitudinal direction thereof, a transverse inflatable pillow adjacent one end of the compartments and a shading member extended outward from the outward edge of the pillow. A heating member disposed between a mat cloth and the top of the compartments is preserved for applying in extreme cold weather. The air-cushioned sleeping bag of the present invention is applicable to uneven and hard surface without a tent and prevent a traveller from the dampness and coldness of the ground where he lies.