To provide a frame material such as a door and its manufacturing method capable of being comparatively and easily manufactured, hardly changing with time and capable of beautifully finishing the surface of the door.

The frame material such as the door or the like has surrounding bodies 30 and 40 forming the slantly butt surfaces at least in one end thereof stuck on the outer circumferential surface of a columnar core 20 having the end edge applying a cutting thereto and the end edge forming an angle section formed at a proper interval from the end edge to cover the outer circumferential surface of the core 20, and the surface sheet 60 is stuck along the outer circumferential surfaces of the surrounding bodies 30 and 40, and in the angle section of the columnar core 20, the surrounding bodies 30 and 40 are adhered by butting the slantly butt surfaces formed in both ends of each of them against each other, the end edge applying the cutting of the core 20 thereto is exposed to the side from the terminal edge of each of the surrounding bodies, and the cutting such as a groove formation or the like is applied.