On December 7, 2017, the SKLRD invited associate professor Wei Xiaolin from the University of Toronto to give a keynote report on “Complex Interventions: Design and Evaluations”. Professor Lai Kefang, director of clinical experimental department of the SKLRD, presided over the lecture, which was attended by about 40 people including young backbones and graduates of the SKLRD. Through the lecture, the participants were benefited a lot and developed certain understanding of new research methods and wished to apply the knowledge in their scientific research practices in the future.