The invention discloses a detachable multifunctional special container. The detachable multifunctional special container is mainly detachably assembled by a chassis assembly, a ceiling assembly, a water treatment assembly, slope assemblies, upright columns and side plate assemblies, the chassis assembly is connected with the ceiling assembly through the upright columns in a supporting manner, and side plates are arranged between the chassis assembly and the ceiling assembly along two sides of a container body in the longitudinal direction, so that the rectangular container is formed; and the container is through in the longitudinal direction of the container body so that an automobile can run in the container or run out of the container, two ends of the chassis assembly are connected with the slope assemblies in the longitudinal direction of the container body; the water treatment assembly is mounted on the chassis assembly; and foot pads are mounted on the bottom surface of the chassis assembly. By the modular design, the container for automobile washing and repairing can be disassembled and assembled conveniently, and the workload on the scene is small. Compared with an existing structure, the detachable multifunctional special container can be used for conveying common trucks, does not need a foundation, and is suitable for mass production.