Later, Zhang Xueguang and Jiang Yi studied Wittgenstein's philosophy. On April 19,1/KLOC-0 at 7: 30 p.m., Professor Zhang Xueguang, Dean of the School of Philosophy of Northwest University, gave an academic lecture entitled "Wittgenstein's philosophy of later treatment" to graduate students in our college. Professor Zhang Xueguang studied Wittgenstein's philosophy in the later period; Jiang Yi's tutor published Wittgenstein's Later Thoughts and Contemporary Philosophy on the later research of Wittgenstein's philosophy.