Under the outbreak of COVID-19,all schools all over the country delayed the opening day. Instead,online teaching is conducted. In this study,we used a way of “live video teaching for all students,knowledge consolidation by separating the students into small classes,and competing to get through the knowledge barrier”. The specific application for online teaching was used. A total of 137 students in three classes were taught by live video for Surgical Nursing. The completion rate of the course was 100% and students’ satisfaction rate was 100%. The mean score of students examination performance was（93.12±3.67）,and the students’ class attendance rate was 100%.The participation rate of in-class test was 96%,and the accuracy rate of in-class test was 95%. Live video teaching has good learning effects on students’ performance and students are satisfied with the online way.The online teaching has good value under the outbreak of COVID-19.