It is an elegant, intelligent, and strong breed of dog that originated in late 19th century Germany. Originally designed as guard dogs and hunting dogs, it is known for its agility, loyalty, and bravery. Having smooth short hair, usually black and brown, with a slender body and muscular physique. Having high alertness and excellent work ability, it is an ideal family pet and guard dog. Regular exercise and intellectual stimulation are needed to maintain their physical and mental health. In addition, they are very loyal to family members, but may show caution towards strangers. Having a strong territorial instinct and protective desire, it is necessary to receive socialization training from a young age.

Dogs are carnivorous mammals in the family Canidae, also known as dogs, and are referred to as the "six livestock" along with horses, cows, sheep, pigs, and chickens. The size and fur color of dogs vary depending on their breed, and their physique is well proportioned; The nose and snout are relatively long; The eyes are oval in shape; Two ears, either vertical or vertical; Limbs agile, with 5 toes in the forelimbs and 4 toes in the hindlimbs, with claws that cannot stretch or retract; The tail is circular or sickle shaped. According to Li Shizhen's "Compendium of Materia Medica", "Dog" means to knock. Dogs bark rhythmically, like knocking on objects, and some people say it is called a dog because of its roughness.