Abstract: An improved bed structure comprising a rectangular main frame including two supporting members forming the opposing lengthwise sides of the frame, a pillow portion disposed between the front ends of the supporting members, an arcuate portion disposed between the middle of the supporting members and secured there with a plurality of fixing seats which are disposed on the supporting members, and an end portion which is disposed between the lower parts of the supporting members. The mattress body consists of a plurality of pads and is disposed on the main frame.