The invention discloses a diesel power generating set multifunctional mobile emergency engineering vehicle, which comprises a vehicle body and a container on the vehicle body, wherein the container is divided into a front area, a rear area, an upper area and a lower area, a diesel power generating set is arranged inside the upper area, an oil tank of the diesel power generating set is arranged below the diesel power generating set, and a muffler of the diesel power generating set is arranged above the diesel power generating set; a group of accommodating boxes are arranged in the lower area, and an extension cable and a standby cable of the diesel power generating set are arranged in the accommodating box of the lower area to be close to the rear area; a group of equipment boxes for storing extinguishers is arranged in the front area; and a power distribution box which is electrically connected with the diesel power generating set is arranged in the rear area. The diesel power generating set multifunctional mobile emergency engineering vehicle has the advantages that: the function is complete, and the emergency requirements of the industries such as natural hazard, firefighting, chemical industry, petroleum, natural gas, electric power, communication, building, machinery manufacturing and the like can be simultaneously satisfied.