The German Pinscher dog breed is muscular and agile, powerful yet graceful. A medium-sized dog with an elegant appearance. He’s admired as much for his beauty as for his intelligence. He’s a working breed, guard, and a devoted, loving family dog.
The German Pinscher was initially developed as a working dog who hunted and killed vermin ( so he won’t be good in a home with pet rodents). Today, he still has the energy of a working breed and has proved himself to be an all-around kind of guy in canine sports and careers. You can find German Pinschers in the confirmation ring, at obedience rallies or agility trials, and at work in tracking. He also works as a service dog, therapy dog, and pampered pet who enjoys the comforts of family life.
The German Pinscher is an excellent guard dog and will alert and bark with a strong voice. If any intruder risks entering your home, this dog will defend it with everything he’s got. And he’s quite capable of caring for an intruder. While he’s not the largest guard dog, he’s incredibly skilful at the job.

Given that he looks like a small Doberman Pinscher or a tall Miniature Pinscher (he was a foundation dog for both breeds). He’s suspicious of strangers and can make some people nervous. He will accept your friends without problems. The folks you don’t know might hear that strong voice he’s famous for, which sounds like it’s coming from a much bigger dog. He saves that voice for special occasions.
A German Pinscher is intelligent, quick to learn, and can reach all training and competition levels. He also has a personality that will test limits (both his own and yours). Apartments make good homes if you properly exercise your German Pinscher, but it isn’t his ideal situation. He has a strong prey drive and will chase smaller animals like rabbits, squirrels, and cats. 
He must be trained — start him at a young age. Since he’s so intelligent, the task isn’t difficult, even though he isn’t as eager to please you as some breeds. He needs a firm and consistent owner. Use positive reinforcement and establish consistent rules. German Pinschers are known for their strong temperament — given half a chance, they’ll take control of the house.
But if you take the time and effort, the result of training the German Pinscher is worth all the time it takes. You don’t want to live with a strong, wary, protective dog who’s out of control. For another, it’s highly satisfying to train such an intelligent and capable canine.
Socialization is just as important as obedience training for the German Pinscher, and it helps avoid aggressiveness. As a puppy, he should be socialized with other dogs, puppies, adults, and children. Most obedience schools offer socialization classes. 

Although a German Pinscher is a loving family companion, he’s not recommended for homes with children under 8 years old because of his strong and assertive nature. This can be overpowering even for some adults, but especially for a child.
However, if he’s the dog for you, then there’s no denying that the happy, loving, intelligent German Pinscher will complete your family, life, and home.