“1960s and “conservatism” are two topics that the academia concerns. According to the traditional opinions, activism serves the 1960s as the main logo, and has no relation with conservatism. However, this article shows the important role that conservatism played in American social movement in 1960s. Furthermore, this article argues that conservatism in this period had been deeply influenced and coined by the time, and the activism and extremeness aspects of conservatism seem quite contradictory to its logic. This article tries to reveal this paradox. As a conclusion, the author argues that it is important to combine “1960s” with “conservatism”to make a more comprehensive and deeper understanding toward the two topics.