It is important to the security of operation on the CSR control system. In order to keep the CSR control system in security environment, the following work has been done.Firstly, it can be set up a domain service, and every important services can join in it, such as database services, front web services and every interactive operating browsers, and limited the browsers right by using policy of the domain. After this, the browsers can’t modify the setting of the browser, and it can keep every computers and browsers in security by preventing some virus into each computer. The domain services of control system is shown in Fig.1. It is important to the security of operation on the CSR control system. In order to keep the CSR control system in security environment, the following work has been done. Firstly, it can be set up a domain service, and every important services can join in it, such as database services, front web services and every interactive operating browsers, and limited the browsers right by using policy of the domain. after browsers can not modify the setting of the browser, and it can keep every computers and browsers in security by preventing some virus into each computer. The domain services of control system is shown in Fig.