By applying a positivistic approach, this paper expounds and verifies the influence and enlightenment of Wittgenstein in his early stage on Susanne Langer the semiotic aesthetician, which is embodied, for instance, in the differentiation between signs and symbols, and in the emphasis on logical form, et al. The influence Langer receives from Wittgenstein is in a general way, and it is all too natural for Langer to make partial innovation and improvement, such as “sentiment is more of human beings than that of a reticent religious one,” a...