During the epidemic, many enterprises started a series of digital human resource management activities such as cloud recruitment, online attendance and online training, etc. With the advent of the "internet + digital economy era", human resource management is changing greatly. The human resource team must embrace the digital revolution by changing human resource operations, staff team and working methods. Based on this background, this paper summarizes the inevitability of the digital transformation of human resource management, analyzes the problems encountered in the digital transformation of human resource management, and explores the digital transformation strategies of human resource management in the post-epidemic era, so as to provide effective reference values for the new development of digital human resource management.