1. Professional field: Lan Yanling mainly studies Guiguzi culture, and Kang Hualan has in-depth research on many aspects of China traditional culture, including ancient literature, history and philosophy. Therefore, Lan Yanling may have more say in Guiguzi culture; China traditional culture, Kang Hualan may be more authoritative.

2. Speech style: Speech style: Lan Yanling's speech style is humorous and simple, which enables the audience to master knowledge in a relaxed and pleasant atmosphere. Kang Hualan's speech style is cordial, natural and infectious, which can resonate with the audience and produce emotional resonance. Therefore, from the perspective of speech style, Lan Yanling may be more suitable to attract the audience's attention in a humorous way, while Kang Hualan is better at impressing the audience with emotional resonance.