The utility model discloses a pretensioning type prestress track composite plate which comprises a track slab body, wherein a groove is formed in the longitudinal end part of the track slab body, grooves in the two ends of the track slab body are arranged symmetrically with respect to the transverse center line of the track slab body, a pretensioning longitudinal prestressing steel bar and a pretensioning transverse prestressing steel bar are arranged inside the track slab body, both the pretensioning longitudinal prestressing steel bar and the pretensioning transverse prestressing steel bar are tightly combined with concrete inside the track slab body, at least two rows of skeleton connection bars are pre-buried in the bottom surface of the track slab body in the vertical direction, the lower ends of the skeleton connection bars are exposed out of the track slab body, and the lower end of the track slab body is tightly connected with a self-dense concrete layer through the skeleton connecting bars; due to the adoption of the utility model, cement asphalt mortar pouring procedures are canceled during the ballastless track pavage of the track slab; and the mounting process of the track slab is simple, and the controllability is strong.