The invention discloses a connection structure of a spherical bearing for supporting a bridge. The connection structure comprises a bridge king tower (1), a spherical bearing (2) and a bridge pier (3), wherein the bridge king tower (1) is connected with the bridge pier (3) by the spherical bearing (2), the spherical bearing (2) mainly consists of an upper bearing plate (4), a spherical cap lining plate (5) and a lower bearing plate (6), the upper bearing plate (4) is fixedly connected with the bridge king tower (1), and the lower bearing plate (6) is fixedly connected with the bridge pier (3). Because of the ingenious design, the invention reduces the bending moment force acting on the beam body of the bridge and reduces the local stress fatigue of the beam body to prolong the service life by the rearrangement and the improvement of the spherical bearing, and simultaneously, the rotation guiding function of the spherical bearing realizes the separation and ensures the service life of the spherical bearing.