The ranking of the smartest dogs may vary depending on different evaluation criteria and data sources, but generally border collies, poodles, German shepherds, golden retrievers, Doberman pinschers and other breeds are often ranked at the top . Here is a brief introduction to these varieties:

Border Collie: high IQ, alert, brave, loyal to the owner, good at observing words and emotions , easy to train, often used as shepherd dogs, military police dogs and guide dogs.

Poodle: smart, lively, alert, good at pleasing people, easy to train, often used as family pets and performance dogs.

German Shepherd: Intelligent, loyal, brave, with good learning ability and adaptability, it is often used as military police dogs and guide dogs.

Golden Retrievers: Smart, lively, friendly, and good at getting along with people. They are called "angels among dogs" and are suitable as family pets.

Doberman Pinscher: smart, brave, loyal, physically strong, adaptable, good at training and obeying orders, often used as military police dogs and guard dogs.