The utility model discloses a pavement nursing special-purpose spreading machine which comprises a machine frame, a heat conducting oil tank on the machine frame, an upper portion mechanism, an electric appliance system, a ceiling, a diesel oil cleaning box, a gas pipeline assembly, a smoke reclaiming device, an asphalt storage tank, a big arm assembly, an asphalt pipeline, a hydraulic system and a centralized lubricating system, a funnel assembly located on the front portion of the machine frame, pedrail running devices on two sides of the machine frame, and a telescopic ironing plate located on the rear end of the machine frame, wherein an engine and accessories thereof are installed on the front end of the web portion of the machine frame, the bottom of the machine frame is provided with longitudinal double-spiral conveying devices which penetrate through the front portion and the rear portion of the machine frame, the rear ends of the pedrail running devices on the lower portions of the longitudinal double-spiral conveying devices are provided with asphalt spraying systems, and the rear ends of the asphalt spraying systems are provided with transverse material distributing spiral devices. The pavement nursing special-purpose spreading machine has reasonable structure and design, and high construction efficiency, the pavement flatness and density are higher, and high grade pavement nursing construction can be satisfied.