The tennis is a mixture of oxygen sports and non-oxygen sports. In order to meet the demand of coaches to evaluate athletes' sports loading scientifically in the daily tennis competition training, computer and network technologies are applied in the paper and a tennis sports loading computer-aided system based on B/S model was proposed. The design objectives, functional requirements and system realization were also introduced. After the test of using the system in Physical Education Institute of Central China Normal University, we found that the system could s...