Abstract: In the digital reading era， reading traces have generated new meaning and valueattribution in the change of reading environment. Digital reading traces show a set of production logicof knowledge and capital from the individual， community and platform levels. In the circulation ofknowledge， readers can consolidate identity and strengthen connection， continuously accumulateand transform capital， and enrich reading experience. The in-depth exploration of digital readingtraces can help us understand the current readers’reading cognition， mentality and behavior. Theapplication of digital reading traces will effectively enhance the value of readers， innovate publicreading services， and further play a positive role in promoting national reading.