Abstract: Midwifery is the core course of midwifery specialty.Based on the traditional teaching mode,students are in a passive learning state with low learning enthusiasm and poor teaching effect.Lanmo Cloud Course platform can help to build a mixed teaching mode combining traditional classroom with network classroom,combine traditional learning mode with network learning, meet the teaching needs of teachers and students in class and off, and provide strong support for classroom teaching reform. From the three links of preview before class,teaching in class and consolidation after class,it expounds the teaching design of Lanmo Cloud Course platform in detail,and demonstrates the effectiveness of Lanmo Cloud Course platform mixed teaching mode to the practical teaching of midwifery through the analysis of assessment results and teaching effects.