This product provides a set of correct ergonomic solutions. Doctors can easily complete the diagnosis and treatment of patients with good treatment posture through LCD HD display screen. Because it replaces long-term bending and low-head treatment, the dentist can maintain a upright sitting posture during the visit. Good treatment posture can reduce the risk of occupational diseases caused by long-term treatment by dentists. The design is inspired by the shape of the teeth, showing a strong dental specificity.