Teaching and research papers: There are two basic forms to report one's work experience and achievements to the society. One is to introduce my work process and results, and the other is to summarize my work gains and losses and rise to the theoretical level for reflection. Both of these basic styles can be presented through writing and papers. The structure of commonly used papers consists of the following seven aspects: 1. Title 2. Author 3. Summary 4. Introduction. This paper 6. Conclusion 7. References.