1. Determining research topics and keywords is the first step of literature retrieval. By defining the research fields and objectives, we can screen related literatures more pertinently. At the same time, choosing appropriate keywords can improve the accuracy and efficiency of literature retrieval. When determining keywords, we can consider their relevance, popularity and academic nature to increase the relevance and academic value of search results.

2. It is also very important to choose appropriate literature retrieval tools and databases. Commonly used literature retrieval tools include academic search engines, academic databases and professional libraries. Knowing the characteristics, advantages and disadvantages of different retrieval tools and choosing the appropriate tools according to the research needs can cover the relevant literature resources more comprehensively. Pay attention to the frequency and scope of updating academic databases in order to get the latest research results in time.

3. Mastering the methods of literature screening and sorting can improve the efficiency and quality of literature retrieval. By reading abstracts and keywords, we can screen out the documents highly related to the research direction, and then read the full text carefully to further screen out the documents with academic value. When sorting out documents, you can use document management software for unified management, which is convenient for subsequent reference and reference.

Matters needing attention in paper writing:

1. Avoid plagiarism: This is the most important point in paper writing. All research results must be original, and plagiarism is academic misconduct, which will seriously affect academic reputation. When quoting other people's opinions or data, you must indicate the source and abide by academic norms.

2. Pay attention to the paper format: each paper has specific format requirements, including title, abstract, keywords, text, references and other parts. In the process of writing, we should write in strict accordance with the requirements of the paper format, so that reviewers and readers can better understand the content of the paper.

3. Pay attention to language expression: the language expression of the paper should be accurate, concise and clear. Avoid using too complicated vocabulary and sentence structure, and try to explain the research viewpoints and achievements in simple and clear language. Pay attention to the correctness of grammar, spelling and punctuation, so as not to affect the overall quality of the paper.