Abstract: The present invention provides a fluid injection and recovery device capable of spraying a fluid over an object, recovering at least, the sprayed fluid, as well as filtering and recycling the recovered fluid. This fluid injection and recovery device comprises: a main tank capable of containing fluid; a filter unit capable of filtering the fluid contained in the main tank; a fluid sprayer for spraying the fluid filtered with the filter unit over an object; and a recovery unit capable of recovering, into the main tank, the fluid sprayed over the object and the matter removed by the fluid.