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1. Rich professional knowledge: Dr. Li Aiguo has profound knowledge and experience in the medical field. He shares medical and health-related content through Douyin, providing the audience with professional and reliable medical knowledge and advice.

2. Interesting and easy-to-understand explanation style: Dr. Li Aiguo explains in a humorous way, which can make complex medical knowledge simple and easy to understand, establish good interaction with the audience, and provide interesting content experience.