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Effectively improving and enhancing the data quality of colleges and universities is the most fundamental goal of university data governance. In this paper, first of all, the causes of data quality problems in colleges and universities are analyzed, and then the general idea of improving data quality is put forward, in which introduces how to identify data quality problems, how to solve data quality problems through technical and business means and how to make the data quality management of colleges and universities form a long-term mechanism through the construction of the system.