The utility model discloses a support with adjustable paver guide rail, including base, mechanical jack and top bracket, mechanical jack's bottom is fixed on the base, the top bracket is fixed mechanical jack's top, the top bracket includes two curb plates and a bottom plate, the fixed welding of bottom plate is in mechanical jack's top, two curb plate symmetrical are in the both sides of floor width direction, two curb plates with bottom plate welding forms U type groove, and the accurate control can highly be carried out to what surface course under the highway asphalt concrete and cement stabilized material base paved to the mode that adopts this adjustable support cooperation aluminum alloy guide rail to replace the stake of tradition nail to hang the steel wire, can improve the precision, simplifies the construction process, can show the labour and the time input that reduce among the paving process after the large tracts of land is promoted, raises the efficiency the saving cost.