Abstract: At present, universal education has fully entered the post-epidemic era. Profound changes have taken place in the way of knowledge transfer, place for scientific research, the mode of campus management, and the employment environment for postgraduates. It will inevitably shows a great impact on the characteristics of postgraduates' Ideology and behaviors. Based on the investigation of light industry technology and engineering postgraduates, the authors analysis the characteristics of postgraduates' Ideology and behaviors. The results show that the postgraduates can pay close attention on the current epidemic, display the high ideological,political qualities,scientific and technological innovation. But most of them appear anxiety depression, poor mental health, low self-efficacy in employment and so on. Therefor, the authors put forward educational strategy according to the ideological and behavioral characteristics of postgraduates in the post-epidemic era, which has certain inspiration to strengthen the ideological and political education of postgraduates.