Jilin University is closed. On February 24th, the Academic Affairs Office of Jilin University started classes as scheduled in the form of online teaching according to the requirements of the Ministry of Education and the teaching plan. Principal Zhang Xi sent a message to the students in the form of "before class": "Lying in bed can't contribute to the country, and sitting at the desk at home can't live up to the great efforts made by the whole society to fight the epidemic." I hope students can learn by themselves, cherish time and have a unique growth after the epidemic. On the morning of 24th, President Zhang Xi and Vice President Wang Lifeng came to the online teaching monitoring and command center of Dingxinlou School in the central campus to check the teaching situation. The combination of classroom teaching and practical teaching after school. It is planned to carry out online teaching of 29 14 courses with multiple platforms and modes, such as Jida Online School, China University Massive Open Online Course, Xue Tong, Nail and Tencent Conference. On the 24th, * * * 825 courses were taught online, and more than 275 13 students participated in online teaching activities, so that their learning did not stop and their level did not decrease.