Abstract: The present disclosure provides a lithium-ion battery cathode material recovery system and a lithium-ion battery cathode material recovery method, wherein the lithium-ion battery cathode material recovery system includes a crusher, a dryer, a first separator, a first vibrating screen, a second separator, a second vibrating screen and an eddy current separator, and a dust collector for recovering dust generated in the first separator, the second separator, the first vibrating screen, and the second vibrating screen, and wherein the crusher, the dryer, the first separator, the first vibrating screen, the second separator, the second vibrating screen, the eddy current separator, and the dust collector are sealed to prevent the inflow of external air, and are operated in an inert gas environment.