In this case, you must follow a four-step procedure. In order to rule out any medical difficulties, you should first see your veterinarian to see whether the digging is an indication of pregnancy or other medical disorders. Second, if your dog suffers from anxiety, depression, or any other kind of mental illness, you should take care of it. Consider dog training as a last resort to stop the problem behavior. Finally, as detailed in the preceding sections, make the necessary physical improvements to the yard.