Alone with the developing of the IT(information technology) and the upturn living standards make the people want to live in the quality life. Nowadays all of us focus the quality life in Living. Since the limit of the traditional technology, the conveniences and security could not satisfy the modernized request any more. As the appearance of the intelligence door, we can solve this problem only use one card. Moreover, we can use the card to open the door and attendance checking, parking, property charge and so on. All of this function can only use one card to achieve. It can make the premises to be more competitive and modern.The intelligent door lock will instead of the traditional mechanical door lock. Because more and more people know that the exact of indentify Certified is very important. As you know more and more people use the intelligent lock at their office and even their home.