The invention discloses an ultra-long life ball head structure in the technical field of ball heads. The ultra-long life ball head structure comprising a ball head, the left side and the right side ofthe outer wall of the ball head are sleeved with retainers, a sealing part is arranged between the opposite walls of the two retainers, limiting bases are uniformly and fixedly arranged on the circumferences of the outer walls of the retainers, a connecting bolt is arranged in the inner cavities of every two corresponding limiting bases on the left and right, lubricating bases are fixedly arranged on outer walls of retainers in an up-down manner, the inner walls of the lubricating bases are in contact with the outer wall of the ball head, the fronts and backs of the inner walls of the retainers are provided with positioning holes and positioning columns correspondingly, oil storage tanks are formed in the middles of the inner walls of the lubricating bases, oil injection holes are formedin the outer walls of the lubricating bases, and sealing plugs are clamped in the inner cavities of the oil injection holes. The ultra-long life ball head structure is provided with the polyformaldehyde resin retainers and oil storage tank structures, so that the reliability of products is greatly improved, the operation is convenient, and the service life is long.