徐友渔认为保障个人的自由和权利,经济上的市场经济、法律制约权力、宪政民主体制等等自由主义思想是中国现代化应汲取的资源,也是现代化的发展方向;并对自由主义产生的社会、文化条件,对自由主义在西方遇到的挑战、变化以及自由主义在中国大陆的传播、接受、实践情况进行了深入细致的研究;对各种反对自由主义的声音进行了批评,成为自由主义的坚决捍卫者和守护者。 Xu Youyu considered that the protection of individual freedom and rights, the economic market economy, the power of law and constitutionalism, the democratic system of constitutionalism and other liberal ideas are the resources that China should absorb from the modernization and the direction of the development of modernization; and the social and cultural Conditions, carried out in-depth and meticulous research on the challenges and changes that liberalism has encountered in the West and on the dissemination, acceptance and practice of liberalism in China; criticized various opposition liberalisms and became resolutely liberal Defender and guardian.