The normal lifespan of a dog is 10-15 years. Schnauzers can generally live to 12-13 years. It depends on the physical condition of the dog and the way the owner raises it. If the Schnauzer seldom gets sick and has If the dog eats regularly and exercises regularly, the life span will be longer. However, if the dog is in poor physical condition and feeds on leftovers for a long time without paying attention to the daily care of the dog, the life span will be greatly shortened, so if you want to If dogs can live longer, owners should pay more attention to and take care of their dogs.