Abstract: A golf putting training aid includes a base frame having a sidewall, a collimator plate defining a collimator face, a positioning mechanism for holding the collimator plate and moving it in a parallel manner toward or away from the sidewall and locking the collimator plate in the desired position, a ball-hole table having a tabletop, a sliding groove extending around the tabletop and ball holes located on the tabletop in communication with the sliding groove, a ball lane covering the bottom panel of the base frame and the tabletop, and a track connected between the sliding groove and the end plate of the base frame.