This course describes the most widely used and indispensable modern sensing technology in life and work, including tactile sensing, electromyography, electroencephalography, millimeter wave sensing, robot sensing, medical sensing and human-computer interface, so that students can understand the importance of modern sensing technology in information technology and master the principles and application methods of modern sensing technology, To enable students to have the basic knowledge and foundation to engage in the study and research of information perception technology, and expand the passion and vision of students to study and research information technology.