The invention discloses a double-layer six-point cycle transportation system. The system comprises a transportation device, the transportation device comprises a liftable platform, the liftable platform comprises a lifting platform and a lowering platform which are mutually and fixedly connected, the transportation device further comprises an upper straight corner platform which is located on theupper layer and a lower straight angle platform which is located on the lower layer; the transportation device comprises front and rear pushing arms and left and right pushing arms, the liftable platform, the front and rear pushing arms and the left and right pushing arms are connected with power devices which are used for providing reciprocating push pull force through the transmission device; three power devices mutually cooperate to allow items which need to be transported to return back to an original stopping point after the items sequentially pass other stopping points from one stoppingpoint.