Abstract: The new curriculum standard puts forward higher requirements for information technology classroom, How to change the role of teacher, Pay attention to individual differences of students, While completing the basic tasks, Taking into account the needs of students at different levels? Micro class with its own advantages, We can make full use of the fragmented time of students and teachers, So as to achieve the role of improving classroom performance and classroom effect. Can we make up for the shortage of traditional information classroom teachers on Teaching with micro course? Taking into account the needs of students at all levels,and So as to improve the learning efficiency of skill courses? I try to use micro courses and traditional teaching methods at the same time, The teaching of APP inventor in two groups of classes, Comparing the learning effect of two groups of class students after the course, To prove the effectiveness of micro course teaching

Key words: Micro lesson, App inventor, Effective teaching