Abstract: Intelligent teachingtoolsrefer to teacher-student interaction tools which can be used in real-time interaction and record data of all the students. Rain Classroom is elected as a representativeintelligent teaching toolsbecause Rain classroom is free and easy-to-use, which can providedata support for college teachers. Nowadays, college students’ smart phone addiction has become a reality and it is unrealistic to ban students from using them but to make smart phones as learning tools. The result shows that Rain Classroom performed well in all indicators of improving teaching effectiveness, especially in stopping skipping and invisible skipping. It is worth actively promoting Rain Classrooms to assist college teaching. Suggestionsof Rain Classroom usage in different teaching scenarios and different levels are offered as well.

Key words: blend classroom, teaching reform, intelligent teaching tool, Rain Classroom