If the Schnauzer can go home by itself if it is near home, it will find its home based on its own memory and the smell left by its family; if the Schnauzer is lost far away from home, it will be difficult for the Schnauzer to go home on its own. , because the Schnauzer is not familiar with the nearby environment and the smell of the family is not clear, but whether it can be found home depends on the actual situation.