The present utility model belongs to the technical field of pet supplies, and relates to a pet sock, in particular to a waterproof pet sock, solving the technical problems of improper design and the like in the prior art, and comprising a sock body and a sock sole for accommodating a pet foot the sock body opens into the sock sole the sock body is provided with a sock opening thereon for the pet foot to step in and the outside of the bottom part of the sock sole has a a resilient waterproof layer composite made of resilient waterproof material. The waterproof pet sock has the advantages of proper design and simple structure, can effectively block water via the resilient waterproof layer, and improves wearing comfort while facilitating health. In addition, the waterproof pet sock can accommodate pet feet of various sizes because of the resilience, and therefore can be widely used. Furthermore, the resilient waterproof layer also has a protection function for the pet sock, thus not only improving wear resistance, but also preventing contamination and injury.
