Springer is a medium-sized dog with a strong body. It is characterized by a pair of long drooping ears. With its sensitive sense of smell and excellent search ability, Springer dogs play an important role in the current police search for drugs, explosives and blood. Compared with other breeds, Springer has the characteristics of high excitability, strong possessive desire and good search endurance, but it also has the disadvantages of small courage and weak adaptability to the environment.