Among the present research on comparative social security institution models, “the western modern industrial country” model draw more attention, and the new research on EasternAsia Confucian country model which takes China as representative undoubtedly poses challenge to the “three worlds” of social security institutional models. Difference of Chinese and western welfare culture is an important cause resulting in the disparity of Chinese and western social security institution. Therefore it is bound to take variable of arelfare cutur into consideration. Based on the new dimension of spirit of welfare culture and norm of institutional supply, this paper proposes six basic models of Chinese and Western social security institutions models