The transparent pulmonary segment model is a biological teaching tool used to display the anatomical structure of the lungs and the distribution of each lung segment. This model is made of transparent bioplastic, which allows for clear visualization of lung lobes, segments, and bronchi. In biology teaching, transparent lung segment models can help students intuitively understand the anatomical structure and function of the lungs, learn the division of lung lobes, the direction of bronchi, and the distribution of alveoli. By observing the model, students can master the ventilation and air exchange mechanisms of the lungs, understand the role of the lungs in the respiratory process, and be a very practical auxiliary tool in medical and biological education.