1. Loyalty: Dogs are very loyal animals. They will always accompany and protect their owners and bring them a sense of security and trust.

2. Health: Keeping a dog can promote people's health, because keeping a dog requires walking the dog regularly, which can increase people's outdoor activities and enhance their physical fitness.

3. Socialization: Keeping a dog can increase people's social opportunities, and communicating with other dog owners can enhance friendship and interaction.

4. Happiness: Dogs are very lively and lovely animals. They can bring happiness and joy to their owners and reduce their stress and anxiety.

5. Education: Keeping a dog can help children learn responsibility and love, and cultivate their independence and self-management ability.

In short, keeping a dog can bring many benefits, but we should also pay attention to the health and safety of dogs to ensure that dogs are well cared for and protected.