Wearing an appropriately fitted and well-functioning hearing device is an essential factor for students with hearing loss to learn and communicate. However, hearing may fluctuate or the device may malfunction. Such unexpected situation often arises in daily life, rather than regular hearing evaluation; consequently, teachers at school are unable to identify their students' needs in time. To provide teachers with a comprehensive picture of their students' hearing status and enable interventions to be made in time, this article collects research results and demonstrates daily monitoring techniques.