在大连市医疗保险ＭＩＳ系统开发过程中，总结了对Ｃ／Ｓ模式的认识和经验，以及在大型商务系统中Ｃ／Ｓ模式具体实现所应注意的有关事项． 给出了提高系统性能的主要技术，其中包括利用存储过程、降低客户机访问服务器的次数、合理设置ＯＤＢＣ参数等． 实践证明，在大连医疗保险计算机系统中采用Ｃ／Ｓ模式是可行的． In the process of developing the medical insurance MIS system in Dalian City, the knowledge and experience of the C/S model was summarized, and the relevant matters that should be noted in the realization of the C/S model in the large-scale business system were summarized. Gives the main techniques to improve the system performance, including using stored procedures, reducing the number of client access to the server, and setting ODBC parameters. Practice has proved that it is feasible to adopt C/S mode in Dalian medical insurance computer system.