On Octorber 12, 2023, sponsored by China Oceanic Development Foundation, organized by Dongshan County Volunteer Association, co-organized by D-SMART and Zhangzhou Love sea cluture Technology company, the seventh National Beach Cleaning Activity (Dongshan parallel sessions) was successfully held at Dongshan Jinluan Bay Beach. Our members Shengyao Sun and Qisi Cai, joined this acitivity with graduate students from Xiamen University.