1. First open Baidu, enter Elsevier official website in Baidu's dialog box, and select Elsevier Science Database.

2. After entering Elsevier official website, we need to find the articles we need to use, and we can conduct a single search or a comprehensive search based on keywords, authors, journal names and other information.

3. The following keywords = keywords. For example, if you search for "Baidu" as the keyword, you can see that * * * has 42 search results.

4. Select the article to be downloaded, check it, the top of the search result has "Export", and click Output Reference.

5. After that, the page will jump. Here, select the output text format.

6. Select the download directory to open the references cited in this article.