A bed structure includes a first body, a second body, a third body, a supporting frame, a first driving assembly and a second driving assembly. The first body extends to form a first arm and a second arm. The distal ends of the first arm and the second arm are provided with a sliding element respectively sliding in a guiding rail of the supporting frame. By this arrangement, the inclination of the bed structure of the present invention can be adjusted smoothly, so that a user lying thereon can feel more comfortable.
