Dr. Yun Cheng is an associate professor in the Department of Ultrasound and the associate director of Research and Education Administration of Zhejiang Hospital. From 2012 to 2013, she worked as a visiting researcher at echo lab of SUNY upstate Medical University, Syracuse, USA where she was engaged in research of new technology of echocardiography. Her academic positions are member of Committee, Echo Branch, Zhejiang Province Medical Association and Committee of Zhejiang Province Precision Medicine Association. She has focused on clinical application of echocardiography and denoising processing of ultrasound image for several years.