1. First of all, we should provide readers with general background information at the beginning of the introduction, and introduce the theme by describing the importance of related research.

2. Secondly, after explaining the background and importance, we should also introduce other people's research progress and contributions, but we should also point out what problems need to be solved or what research hotspots are still inconclusive.

3. Then in this part of writing, the writing focus should be the work I will describe, explain my work focus and purpose, and briefly put forward my own methods and conclusions.

4. Finally, it will be described in detail in the following methods or results and discussion.