On this day 104 years ago, on June 16, 1921 (May 11, 1921 in the lunar calendar), Hu Shi proposed "punching shop". On June 16, 1921, Hu Shi first proposed "punching shop" in the preface to "Wu Yu's Classics". Since then, this slogan has been widely used in the New Culture Movement, and it has evolved into "Down with Kong Jiadian". Its actual meaning is to overthrow Confucius, Confucianism, post-Confucianism and ritual.