1. Practicality: This kind of video introduces very practical basic knowledge in daily life and can help many people solve specific problems. Therefore, viewers will find this kind of video particularly helpful and beneficial.

2. Easy to understand: This kind of video often uses easy-to-understand language and vivid charts, which is convenient for the audience to understand and remember. This kind of video is not only suitable for the public to watch, but also suitable for use as an educational video in schools.

3. Strong sharing: This kind of video is usually short and very practical, so people can easily share it on social media. In addition, this kind of video content is also easy to generate topics, which makes people willing to share and discuss.

4. entertaining: this kind of video is entertaining. The audience can learn the basic knowledge in a relaxed and interesting atmosphere, and such videos are easy to arouse the audience's interest and resonance.