The utility model discloses a concrete moisturizing, heating and curing device, which comprises an external power supply and a heating cover, wherein the external power supply is connected with the electric heating cover through a temperature controller; a heating cable is distributed in the electric heating cover, consists of an electric heating wire, and a flame-retardant high-temperature-resistant insulating layer, a metal wire shielding layer and an outer sheath layer which cover the electric heating wire in sequence, is bent and returned to be arranged in parallel at equal distance and is fixed between an upper layer aluminum foil and a lower layer aluminum foil by a high-temperature-resistant double faced adhesive tape; the peripheries of the two layer aluminum foils are connected in a closed way; a moisturizing thin film is arranged below the lower layer aluminum foil; and a thermal insulation layer is arranged above the upper layer aluminum foil. The concrete moisturizing, heating and curing device has the advantages of low manufacturing cost, high operability and wide manufacturing cost range, the technical problems of quick curing, quickening of construction progress and control over construction quality of a concrete pavement are solved, and the early strength of concrete in 6 hours meets the strength requirements for opening to traffic, so that the construction efficiency and the construction quality are greatly improved.