In the paper, introduction and abstract are two different parts. Although they are all at the beginning of the paper, the purpose and content are quite different. Introduction, as the beginning of the paper, provides the necessary background information and overall structure for reading the full text, and needs to describe the research background, problems and purposes in detail and clearly, so as to pave the way for the following research. Therefore, the introduction should include the following aspects:

Briefly introduce the research fields and problems.

Explain the significance and purpose of the research.

Summarize the structure and content of the paper.

Different from the introduction, the abstract is a summary and generalization of the paper, which is placed at the beginning to facilitate readers to quickly understand the main contents and conclusions of the paper, so as to decide whether they need to read the full text. The abstract should include the following aspects:

Research background and purpose

Research methods and processes

Research results and conclusions

In order to make readers fully understand the paper, the abstract needs to summarize the main achievements and contributions of the paper, but it needs to avoid oversimplification and generalization, and the description should be concise without losing accuracy, thus showing the importance of the abstract and its difference from the introduction.

In a word, introduction and abstract are two important parts of the paper, both of which are essential. They provide the basic information and abstract of the paper respectively, which can help readers better understand the structure and content of the paper, and detailed and clear description can make the paper more valuable and readable.