The invention discloses a simple jet flow electro-deposition experiment system and a control method. According to the device, an electrolytic cell is arranged on a machine tool workbench, an anode cavity and nozzle is suspended above an anode cavity and nozzle electrolytic cell through a combined clamp; a numerical control operation panel is arranged on the combined clamp through a nozzle height adjusting screw; one end of a water inlet of a corrosion-resisting pump is connected with an electrolyte recycling tank through a water pipe; one end of a water outlet of the corrosion-resisting pump is connected with a water inlet of the anode cavity and nozzle through a speed adjusting valve and a floater flow meter, and the electrolytic cell is connected with the electrolyte recycling tank through a return pipe. According to the simple jet flow electro-deposition experiment system and the control method, an existing commercial numerical control machine tool serves as an experiment platform carrier, jet flow electro-deposition scanning distance, layer number and path control is achieved through the numerical control platform, three-dimensional machining can be achieved, coating and mini-type device machining and manufacturing can be conducted, the input cost is economical, designing and manufacturing are easy and convenient, and material taking is convenient.