On the afternoon of March 22, the 22nd lecture of the "Interdisciplinary Salon of Law" sponsored by the china institute for social-legal studies of Shanghai Jiao Tong University was successfully held in Room 206 on the fourth floor of the North Fourth Floor of Xuhui Campus of Shanghai Jiao Tong University. The theme of this salon is "The Problem of Unclaimed Land in Japan," and Narufumi Kadomatsu, a professor at the Graduate School of Law at Kobe University, will be the keynote speaker. Zheng Zhihua, associate researcher of the Center for Japanese Studies of Shanghai Jiao Tong University, presided over the salon, and Gu Zhuxuan, professor of Shanghai Jiao Tong University Kaiyuan Law School, and Zhu Qiaochu, assistant researcher of the Center for Japanese Studies of Shanghai Jiao Tong University, served as discussants. Lin Yan, professor of Kaiyuan Law School of Shanghai Jiao Tong University, Tan Jun, assistant researcher of the Institute of Chinese Law and Society of Shanghai Jiao Tong University, Jing Shiyuan, postdoctoral fellow of the Institute of Chinese Law and Society of Shanghai Jiao Tong University, and other teachers and students attended the salon.