Abstract: Standardized training for residents, a keypart of postgraduate medical education，plays a significant role in medical education and determines the career development direction of residents. This study takes informal learning in the “Internet +” era from the perspective of learning science as the main line, explores the informal learning situation through questionnaire survey. The survey was carried out by Likert five-rating scale and the results showed that respondents had positive learning motives and attitude towards informal learning, but in aspects of learning efficiency, utilization of learning resources and autonomous learning ability, it still needs improvements. Our study aims to motivate students interests in autonomous learning, trigger the development of life-long learning awareness, and also provide improvement for of medical studentslearning ability, learning behavior and learning resources. 

Key words: standardized training for residents, informal learning, learning science；online learning, life-long learning