How to effectively develop and utilize major sports venues after the event is an important challenge at present.This paper uses the case study method, fieldwork interview method and other research methods, combined with the experience and inspiration of the post-competition utilization of stadiums in the Beijing 2022 Winter Olympic Games and the investigation of the Hangzhou Asian Games stadiums, digging deeper into diversified utilization mode of major sports event venues, and putting forward strategies suitable for the post-competition utilization of major sports event venues.