The utility model relates to a special lifting device for curing and construction of a viaduct, and belongs to equipment. The special lifting device comprises a base, a lifting frame, electric hoists and a hanging basket, wherein the front and back ends of the base are respectively provided with one pair of first vertical columns, the lifting frame is door-shaped, and consists of two second vertical columns and a second transverse beam, the second transverse beam is provided with a telescopic first transverse beam, the first transverse beam and the second transverse beam are telescopic in the sideway length, the height is adjustable, the electric hoists are respectively and fixedly arranged at the same outer ends of the two first transverse beams, and the hanging basket is connected with the electric hoists through steel wire ropes. The special lifting device has the advantages that the telescopic operation is realized in the vertical direction and transverse direction, the urban requirements on vehicle height limits can be met, the structure is simple, and the lifting operation can be realized by one person or two persons.