Since virtual reality(VR) education is based on a 3D environment, it is characterized by being able to deliver more information than traditional multimedia educational content. However, if a lot of information is delivered to learners simultaneously, a cognitive load occurs, and learning performance decreases. In this case, using the instructor's gaze visualization interface can reduce learners' distractions and learners can focus on important learning content. In addition, eye-tracking technology can be used to evaluate learning performance, and concentration can be measured through dwell time. In this paper, virtual reality biology