慕课是一种大规模在线开放课程，由于其具有良好互动性、学习碎片化和学习系统化的优势而在教育领域得到广泛应用。慕课常设计成微视频，包括线下和在线课程。诊断学教学中应用慕课教学模式的优势在于：利用网络资源优势，实现诊断学知识点的全覆盖；下放自主学习权利，照顾到各层次的医学生；教学内容生动形象，提高医学生的掌握能力；师生之间良好互动，提高医学生的学习效率。但不能忽视慕课自身存在的不足如慕课传授知识碎片化，影响医学教育的质量；学校文化教育缺失，不利于学生综合素质的培养等。

Massive open online course (MOOC) as a new type of online open courses has been widely used in the field of education for its advantages of better interaction, fragmentation and holistic of learning.MOOC is often designed to the forms of micro-video, including offline and online courses.The application of MOOC in diagnostics teaching can cover most of the knowledge points with the advantage of network resources, consider various levels of medical students with autonomous learning right, improve the mastering capabilities with the vivid contents, and enhance the learning efficiency with good interaction between teachers and students.However, we can′t ignore the deficiency of MOOC, such as it affects the quality of medical education for the fragmented knowledge, and it is unfavorable to the cultivation of students′ comprehensive qualities with the lack of school culture education.