A piece of furniture for pet cats includes an outer frame and an inner house. The outer frame is a polyhedral frame structure. The inner house is fixedly suspended in the outer frame by a plurality of connection members. The inner house is provided with at least one entrance. According to the pet furniture for cats with this structure, the pet cat can jump and play between the outer frame and the inner house. Further, when the pet cat climbs on the outer surface of the inner house or slaps on the outer surface of the inner house with the cat's claw, the inner house will shake due to an external force, so the pet cat and receive the response and have more fun in playing.
