IN THIS PAPER DESIGN AND CONSTRUCTION OF A SYSTEM IN ORDER TO SYNTHESIZE NANO PARTICLES BY CVC METHOD IN VACUUM SYSTEM IS PRESENTED. MAIN COMPONENTS INCLUDING VACUUM CHAMBER, SPIN LIQUID NITROGEN TANK BUBBLING UNIT, MECHANICAL FEEDTHROUGHS, QUARTZ PIPE ATTACHED TO VACUUM SYSTEM AND SOME OF SPECIFICATIONS OF NANOPARTICLES SYNTHESIZED BY THIS SYSTEM ARE DESCRIBED. TIO2 NANOPARTICLES WERE SYNTHESIZED AND CHARACTERIZED.