Plagiarism refers to the behaviour of taking other people's work or idea as one's work or idea. Lack of understanding of plagiarism can lead to unintentional plagiarism. Unintentional plagiarism occurs not only in nursing students' writing but also in other healthcare learners. However, teaching approaches for understanding and avoiding unintentional plagiarism in healthcare education are limited. This is particularly helpful for using blending learning to address the issue of unintentional plagiarism. This editorial will describe the impact of unintentional plagiarism and propose a teaching approach called 'Understanding and Avoiding Unintentional Plagiarism' using blended learning to help avoid unintentional plagiarism. This teaching approach aims to assist healthcare teachers to deliver academic writing development programmes in three important steps: 1) Plan appropriate tasks, 2) Prepare essential resources, and 3) Perform effective delivery.