The invention discloses a multifunctional roller conveyor. The multifunctional roller conveyor comprises a conveyor rack. Conveying rollers are arranged on the conveyor rack at equal intervals. The parts, at the two ends of the conveying rollers, of the conveyor rack are symmetrically provided with drying devices. The sides, facing the conveying rollers, of the drying devices are provided with openings, and heating metal pipes arranged inside in an S shape in the length direction. Air inlet draught fans are arranged on the side walls, away from the openings, of the drying devices at equal intervals. A lifting plate is arranged at the position, located below the conveying rollers, of the conveyor rack. The four corners of the side, away from the conveying rollers, of the lifting plate are provided with lifting air cylinders. The positions, located below all the conveying rollers, on the upper side of the lifting plate are provided with cleaning mechanisms. Each cleaning mechanism comprises two supporting rods. The multifunctional roller conveyor is novel in design, convenient and fast to use and capable of drying goods, cleaning the conveying rollers as well and meeting the using requirements of users.