With the continuous development of information technology, it raises many new challenges for information technology personnel training. Nowadays, information technology personnel has become not only an important factor in enterprise information development, but also the most active driver. How to introduce and retain advanced information technology personnel and how to fulfill the value of information technology personnel have become the key factor that restrict enterprise's information development. This paper describes the meaning of information technology personnel in construction industry, outlines identification and location of information technology personnel, explores information technology personnel demand at different stages in construction industry's information construction, training methods of information technology personnel at different stages and security system of information technology personnel.