Provided is a pet case. The pet case includes at least two case bodies fitted together. Two adjacent case bodies of the at least two case bodies are communicated to each other, a first connector is arranged between the two adjacent case bodies, and the first connector is connected to a side plate of each of the two adjacent case bodies. The at least two case bodies are combined to form the pet case through the first connector, which may increase the space of the pet case on the basis of effectively using the original pet case, avoid a situation that the original pet case is abandoned due to the sufficiency of space in the pet case and the replacement of a new pet case, and increase utilization ratio of the original pet case.
