1. First, enter the duplicate check portal of VIP papers in official website, click "Duplicate check now" and select the version to be used, including undergraduate version, master version and professional title version.

2. Fill in the title and author of the paper, click "Upload File", select the document to be detected, and click "Submit" after the file is uploaded successfully.

3. Or fill in the title and author of the paper, click Paste Text, copy the article to be copied in the Content Box, and then click Submit.

4. After half an hour, enter the "Order Number" and click "Inquiry Report" to download.