Zhongke Microlight is a representative of innovative optical medical devices. The projected vascular imaging equipment they developed can help nurses visualize the originally fuzzy blood vessels, and can be widely used for children, the elderly, tumor patients and other people who have difficulty in sticking needles, and when it was first put into use in our hospitals, it received unanimous praise from nurses. In addition, the endoscopic OCT technology being developed by Sinoscale is a global leader, and may become another important imaging tool after X-ray, ultrasound and nuclear magnetic resonance in the future. Its resolution is more than 10 times higher than that of ultrasound, and the imaging probe is one-third of the smallest endoscopes now, which can do three-dimensional tomography scanning of lesions in the body in real time, and is likely to play a key role in the diagnosis of cardiovascular, digestive and respiratory diseases in the future, with a very broad application prospect.