The invention discloses a rapid multifunctional highway maintenance engineering van reloading platform which comprises a supporting platform and vertically arranged liftable supporting legs, wherein walking wheels are arranged at the lower ends of the supporting legs, the upper ends of the supporting legs are fixedly connected with the supporting platform through transversely arranged telescopic connecting arms, four corners of the supporting platform are provided with corner piece connecting holes for connecting corner piece locks, front and rear centering and aligning devices are arranged at the front ends and the rear ends respectively, and central lines of the front and rear centering and aligning devices coincide with a central line of the supporting platform. Maintaining functional parts are designed and installed on the modular and standardized supporting platform, a vehicle chassis is adopted as a power carrier, different functional parts are installed on the standard platform, the chassis and the platform are connected through a standard interface, and the rapid multifunctional highway maintenance engineering van reloading platform achieves a plurality of functions at a time and is simple and compact in structure and reasonable in design.