How to conduct CNKI duplication check
In academic research and paper writing, CNKI plagiarism checking is a very important task. Whether a student submits a graduation thesis or a researcher publishes an academic paper, the originality of the paper needs to be checked through the CNKI plagiarism check system. This article will introduce in detail the steps, precautions and common problems of CNKI plagiarism checking to help you complete the plagiarism checking work efficiently.
1. Basic steps for duplication checking on CNKI

The CNKI duplication checking process can be divided into the following steps:
| steps | Operation content |
|---|---|
| 1 | Log in to the CNKI duplication checking system (requires a school or institution account) |
| 2 | Upload the paper file to be tested (supports doc, docx, pdf and other formats) |
| 3 | Fill in the basic information of the paper (such as title, author, etc.) |
| 4 | Pay the plagiarism check fee (some schools provide free times) |
| 5 | Wait for the system to generate a duplication check report (usually takes 10-30 minutes) |
| 6 | Download and analyze duplication check reports and modify duplicate content |
2. Things to note when checking plagiarism on CNKI
When conducting CNKI duplication check, you need to pay attention to the following points:
| Things to note | Description |
|---|---|
| File format | Make sure the uploaded file is in the correct format to avoid detection failure due to format issues. |
| word limit | The number of words for a single plagiarism check usually does not exceed 150,000 words. Extra-long papers need to be checked in batches. |
| citation annotation | Reasonably mark the quoted content to avoid being misjudged as plagiarism by the system. |
| Count of duplicate checks | Some schools have restrictions on the number of plagiarism checks, so you need to understand the relevant regulations in advance. |
3. Frequently Asked Questions about CNKI Duplication Checking
The following are some frequently asked questions and answers about CNKI plagiarism checking:
| question | Answer |
|---|---|
| What should I do if the duplication check rate is too high? | Reduce duplicate detection rates by rewriting duplicate content, adding original ideas, or adjusting citation methods |
| What do the red and yellow marks in the plagiarism check report mean? | Red indicates highly duplicated content, yellow indicates lightly duplicated content |
| How much does it cost to check CNKI for plagiarism? | The cost varies depending on the type of paper and the number of words, usually between 100-300 yuan |
| What should I do if the plagiarism check results are inconsistent with the school test results? | It may be caused by different database versions. It is recommended to use the same duplication checking system as the school. |
4. How to reduce the duplication rate of papers
Reducing the plagiarism rate of papers is a focus of many students and researchers. Here are a few effective methods:
| method | Specific operations |
|---|---|
| Rewrite duplicate content | Rewrite repeated paragraphs by adjusting sentence patterns, replacing synonyms, etc. |
| Add original content | Supplement your own research data and perspectives and reduce reliance on other people’s literature |
| fair citation | Correctly mark the source of the citation and avoid direct quotation of large paragraphs |
| Pre-check using plagiarism checking tools | Use other plagiarism checking tools to pre-check before formal submission to detect problems in advance. |
5. Summary
CNKI plagiarism checking is an indispensable part of academic paper writing. Through the introduction of this article, I believe that everyone will have a clearer understanding of the CNKI duplication checking process, precautions, and methods to reduce the duplication checking rate. In actual operations, plagiarism checks must be completed strictly in accordance with the requirements of the school or journal to ensure the originality and academic standardization of the paper.
Finally, everyone is reminded to protect personal account information and avoid duplication checks through informal channels to prevent the paper from being leaked or misappropriated.
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