The invention provides a method for evaluating the reliability of data assets, which comprises the steps of establishing a data asset reliability evaluation model; reading a reliability score of the data assets in a data acquisition mode portion; reading a reliability score of the data assets in a data resource quality assurance portion; reading a reliability score of the data assets in a data capitalization completion rate portion; reading weights of the data acquisition mode portion, the data resource quality assurance portion and the data capitalization completion rate portion; and acquiring an evaluation value for the reliability of the data assets according to the established data asset reliability evaluation model and the read data. The method provided by the invention starts from digging factors influencing the reliability of the data assets, establishes the data asset reliability evaluation model, and quantifies the reliability of the data assets, thereby being conducive to realizing value increment of the data assets, greatly improving the value of the data assets, and influencing the quantization degree of the value of the data assets to a great degree.