PROBLEM TO BE SOLVED: To provide a cart holding an easily separable pet carrier.SOLUTION: The cart 10 supporting the pet carrier 70 includes a foldable cart body 20 with a handle 40, and a supporting member 50 attached to the cart body and supporting a pet carrier frame 75 from below. The supporting member has a pair of side frame members 51 and a connection frame member 54 to connect a pair of side frame members. The supporting member is turnably connected to the cart body and turned by folding the cart body. The connection frame member is bent between the pair of the side frame members in a manner to protrude downward. The connection frame member is separated from the frame of the pet carrier between the pair of the side frame members in a state that the pet carrier is supported from below by the supporting member.