The Shar-Pei is a combative and aggressive dog breed. During the breeding process, due to long-term artificial selection and genetic modification, its character has become extremely unstable and prone to aggressive behavior. In addition, Shar-Pei dogs have strong territorial defense and protection instincts, and are prone to aggressive behavior towards strangers and other animals. Therefore, Shar-Pei dogs do tend to be quite aggressive, especially if they are not well trained or properly socialized.

In order to protect the public's life and property safety, many places list aggressive dog breeds such as Shar-Pei dogs. A prohibited dog breed. When raising Shar-Pei dogs in the home, special attention should be paid to their aggressiveness to avoid causing harm to other people or other animals. When walking your dog in public places, you must wear a leash to prevent the Shar-Pei from running around or attacking others.