Abstract:Colleges and universities are the power source of scientific and technological innovation, and their patent status is regarded as an important symbol reflecting the innovation ability of colleges and universities. Based on the patent information of universities in Shaanxi Province from 2000 to 2017, using SOOIP patent retrieval platform, this paper synthetically adopts the scientific methods of econometric analysis, clustering analysis and comparative analysis, starting with the general application trend and types, focusing on the patent life cycle, patent technology field, operation status and patent intensity, etc. The research shows that the average level of scientific and technological innovation ability of universities in Shaanxi Province is high, the results are good and the characteristics of key disciplines are obvious, but there are also some practical problems such as the uneven distribution of technological innovation ability of universities in Shaanxi Province, the low utilization and conversion rate of technology and the lack of high-value patents. Finally, the article puts forward some referential suggestions to enhance the scientific and technological innovation ability of Shaanxi universities.