Touch one machine PK the traditional blackboard teaching, accentuates the advantage. Teaching touch one machine touch screen teaching integrated machine more than is the blackboard, teaching touch one machine to you bring: a finger, touch your course, human-computer interaction; large screen teaching, blackboard, no need to clean the blackboard, chalk without. Not cleaning the blackboard and eating the troubles of the chalk dust. Electronic teaching, environmental protection, health. Teaching touch one machine full HD, do not hurt the eyes of students, especially children. Class of the whole process, you can record the whole process, home can be repeated to review playback of audio video.