1. Use professional duplicate checking software: Using professional duplicate checking software can help you detect the duplicate parts in your paper and ensure that your paper meets the requirements of the periodical for the repetition rate. For example, you can use HowNet, VIP, Wanfang and other software to check the duplicate.

2. Avoid direct plagiarism: Avoiding direct plagiarism is the most basic measure to ensure that the paper meets the requirements of repetition rate. You should correctly quote other people's opinions and research results, and avoid copying other people's words or data directly.

3. Repeated checking: You can use different repeated checking software for many times to avoid missing any possible repeated parts. At the same time, you can also ask your peers or tutors to help you detect the repetitive parts in your paper.

4. Understand the repetition rate requirements of journals: Before submitting a manuscript, you should understand the repetition rate requirements of the target journals. Different journals may have different requirements, so you need to read the submission guide carefully to ensure that your paper meets the requirements.

In short, you need to take a series of measures to ensure that the paper meets the repetition rate requirements of medical journals, including using professional duplicate checking software, avoiding direct plagiarism, checking duplicates many times, understanding the repetition rate requirements of journals, and doing a good job in weight reduction.