5 mm white vascular anastomosis exercise model, diameter 5 mm, suitable for beginners in initial practice. 2 mm microvascular anastomosis exercise model, includes 10 simulated tubes, fixed anti slip pads, fixed clips, tube length about 8 cm, diameter about 2 mm, and tube wall thickness about 0.2 mm. Good elasticity, shearing, and can be practiced multiple times, under a microscope. Safe rubber material, upgraded craftsmanship, toughness, not easy to break knots, to shear, can be practiced multiple times, cost effectiveness, anti slip. If the post is not sticky, it can be washed and reused. Use scenarios Microsurgical training for medical students or residents to learn basic vessel suturing techniques. Rehearsal of microvascular anastomosis methods in simulation or skills labs, with repeated practice sessions. Teaching demonstrations in classroom or lab settings, enabling students to observe and refine handling, suturing, and anastomosis skills with durable, reusable models.