It is mainly responsible for the work and teaching tasks of school physical education and swimming (competitive swimming teaching, practical swimming teaching, water rescue swimming teaching, first-class lifeguard training in water rescue, and first-class training for swimming teachers) for several undergraduate students in the school physical education department, with 20 classes per semester and the number of students. Exceeding the teaching task every year. Since 2004, Hainan Provincial Public Security Department's senior aquatic life-saving instructor (civil servant) 1, Guangdong-Hainan Railway Gangbei Public Security Bureau's intermediate aquatic lifeguards (civil servant) 1, and China Petrochemical's 2006 intermediate aquatic lifeguards (state-owned enterprise contract system) 1 have been successfully recommended by swimming aquatic life-saving coach training, which are distributed in various tourist attractions and swimming venues in Hainan Province. In 2003, he tutored an educational intern in Chengdu Institute of Physical Education and completed the thesis guidance of "Investigation and Research on Water Rescue in Hainan Open Waters". I am now a senior examiner of China Lifesaving Association and China Swimming Association. My main task is to assist the State Sports General Administration in training senior lifeguards and swimming coaches in Hainan Province.