Portable pet cage

A portable pet cage comprises a cage body and a cage cover, the cage body comprises a rectangular base, the rectangular base is movably connected with two groups of opposite side plates, one group of side plates comprises a front door and a rear door, the other group of side plates comprises a first connecting plate and a second connecting plate, one side of each first connecting plate is movably connected with the rectangular base, and the other side of each first connecting plate is movably connected with the cage cover. One side of the second connecting plate is movably connected with the cage cover, a fixing rod is arranged at the joint of the first connecting plate and the second connecting plate, the rectangular base, the two sets of side plates and the cage cover form a storage space state, the two sets of side plates can be folded inwards, and the storage space is folded after being shrunk up and down to form a folding cage state. The folding and unfolding states of the cage body are achieved through