The invention discloses an automatic clothing management system. The automatic clothing management system comprises a frame body, a chain wheel circulating line installed on the frame body and a plurality of distribution lines connected together through the chain wheel circulating line, wherein the distribution lines are automatically controlled through a PLC; and each distribution line comprisesa conveying steel belt, a clothing hanging mechanism, a clothing taking mechanism, a distribution air cylinder, a lifter sliding rod, a distribution line lifter, a distribution line downward-sliding rail, a distribution line single-piece putting-in device (600) and a distribution line scanning device; and the steps of manual receiving, recording, storing, fixed-point distributing, clothing takingand the like in the prior art are replaced with the automatic process, the distribution lines are connected in parallel and connected through the chain wheel circulating line, and the capacity of thedistribution system is improved. The automatic taking-out device replaces manual clothing storing and taking, the clothing is managed in cooperation with PLC control and software, the clothing management efficiency can be effectively improved, the in-out state of the clothing is accurately recorded, and the manual management cost is reduced.