With high intelligent, it can judge in time and solve automatically when it meet some small problems. It can make sure prevent tissue form being injured, can automatically track feedback, remove some error in accumulating, position orderly, operate reliably. The users can set two program and choose any one according to different tissue. If the power is switched off suddenly, the machine can go on work and correct mistake automatically when the power switch on again. The LCD is make the communication between operator and machine easily. In type YD-12P and 12P2, there are a sterilization system which is a environmental system and heathy to the users.