在突发新冠肺炎疫情下,全国院校延迟开学,纷纷在线上开展课程教学。本研究采用“合班直播、分班巩固、闯关学习”的模式,利用信息化智慧教学工具的教学互动功能,对3个班137名护理学专业大专生进行外科护理学课程的视频直播教学,学生学业完成度为100%,学生满意度为100%,学习成绩为（93.12$\pm$3.67）分;学生课堂签到率为100%,随堂测试参与度为96%,随堂测试正确率为95%。视频直播教学取得了较好的学习效果和学生满意度,在新型冠状病毒肺炎疫情的特殊时期,具有较好的使用价值。

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.