The black skin on the pads of the dog's paws may have fallen off. It may be because the dog's paws were injured. After a period of metabolism, the skin at the wound site may fall off. Also, if your dog’s diet contains too much salt, dry food, or insufficient drinking water, it may lead to internal heat, which may lead to peeling of the soles of the feet.

In addition, parasitic infection can also cause the dog's paw pads to lose black skin, so pet owners should Pay more attention during the feeding process and seek medical treatment in time if you are unsure.