"Big data technology promotes the high-quality development of the social economy and promotes the transformation of enterprises to digital and intelligent. Enterprises need to keep up with the times, use big data to improve their management level, and ensure their competitiveness. This paper discusses the importance and current situation of enterprise human resource performance management in the era of big data and puts forward optimization strategies, aiming to improve the level of performance management and make the development of enterprises more adapted to the era of big data."