The invention discloses an aqueous anticorrosive damping coating material for an automobile chassis, a preparation method and equipment thereof, wherein the coating material is prepared from the following components in parts by weight: 55-75 parts of an aqueous polymer elastic resin emulsion, 30-40 parts of a damping pigment filler, 20-40 parts of aluminum fiber, 10-20 parts of a preservative, 8-16 parts of a flame retardant, 6-10 parts of a film forming aid, 20-30 parts of deionized water, 1-3 parts of a thickening agent, 0.7-0.9 part of a defoaming agent, 2-4 parts of a compatilizer and 0.6-0.8 part of a coupling agent. The invention relates to the technical field of aqueous damping coating materials. According to the invention, by improving the matching of the components, the preparation method and the equipment of the material, the problems of low comprehensive performance, complex preparation process, many devices and high comprehensive manufacturing cost of the material are solved, the comprehensive performance of the material is improved, the preparation process is simplified, the number of the equipment is reduced, and all steps can be completed in one equipment so as to reduce the comprehensive manufacturing cost.