The invention discloses a portable pet cage. The portable pet cage is composed of a pet cage body, a supporting plate, pulleys, a frame and a handle, wherein the pet cage body is arranged in the frame and positioned above the supporting plate; the pulleys are arranged at corners where the supporting plate is intersected with the frame; the handle is fixedly connected with the frame; a baffle plate is arranged above the pet cage body; the tail end of the baffle plate is hinged to the frame; the outer surface of the baffle plate is coated with a noctilucent layer; the pet cage body is composed of a pet cage area I and a pet cage area II, wherein each wall surface of the pet cage area I is of a grid structure, and each wall surface of the pet cage area II is of a sealed structure. The portable pet cage disclosed by the invention has the advantages of simple structure, low cost and convenience in washing, and is an ideal apparatus for various pets.