Isaiah Berlin is mostly known for his defending value pluralism and holding a position of liberalism as well.However, the theoretical connection between his pluralism and liberalism is far less than self-evident; it has been widely disputed among political philosophers.This article highlights a tension within Berlin's theses of value pluralism, and examines contemporary liberal thoughts in their responses to the problem of value conflict.It is concluded that there is a possiblility and necessity of resolving the issue of value conflict in the perspective of anti-foundationalism.