Prison is held in place the management of offenders, in custody for criminal offenders, custody and management is not easy, safety is the most important issue of the need to protect, monitor use of the existing security equipment, which can effectively serve to strengthen the management of visual timely reflect the important place of the situation, and enhance security measures. It is necessary to protect the safety of the community, but also to protect the safety of prison guards, the safety of criminals. This article is the process of participation in the internship Jiangsu prison security technology to guard against a project of that experience to other security technologies to guard against the project with some reference value.