With Chinese reform and opening-up, Chinese society gains stable development, economy rapidly grows, and Chinese sports also go through a series of reforms. The paper carries on time series analysis of sports reformation system form of Chinese regular institutions of higher learning, it lists events changing situation in accordance with time, and constructs an analyzable time series. Then we go ahead with effective observation and research on time series, find out its corresponding changes and development law. From system documents, educational documents to relevant colleges sports system, all are in the rising trend with time changes, and “system documents” rising trend is the largest, though relevant colleges sports system has certain rising trends, by comparing, its rising trend is the smallest. Then analyze problems that colleges sports reformation process come across to make statistics, it is clear that the top three with larger influences are respectively teacher’s confusion with reformation purposes, teachers feel that reformation is not good for them, allocated sports reformation funds is deficient.