Abstract
With the development of the times, the mode of communication is not only by writing and telephone, the penetration of mobile phone makes message has become a simple mode of communication. And the communication is no longer confined to persons, realize the communication of phone and the computer is very important that has a practical significance. The large thing to the high-altitude operations, such as the human inconveniently close to the high-temperature operating , as long as a short message commands to control the process. The small thing to the electric rice cooker ,the message will automatically help you to cooking ，when go home can eat the hot meals. It shows that all of the Mitac. This paper is to use Visual C + + design based on the GSM MODEM borrow books management system, a message inquiry system, including a query by the title, library time, when the expiration of the return, and so on. The benefits in terms of when and where, as long as a mobile phone, we can understand our loan books at any time , it’s simple and very significant
.Keywords：short message GSM MODEM Visual C++
