A pet cage, including: a first lateral part, a second lateral part including a horizontal rod, and a connecting structure. The connecting structure includes a plurality of vertical rods. Each vertical rod includes an end including a swivel hook. The swivel hook includes: a front section, a middle section, and a rear section. The first lateral part and the second lateral part are adjacent to each other, and the connecting structure is disposed therebetween to connect the first lateral part and the second lateral part. The plurality of vertical rods is disposed on the first lateral part. The swivel hook is disposed at the end of each vertical rod and adapted to encircle the horizontal rod of the second lateral part. The angle between the rear section and the vertical rod of the first lateral part is between 80° and 100°.
