The application of intelligent network technology has realized the transformation of people’s production and lifestyle, and also promoted the transformation of physical education teaching mode. At present, the application of intelligence in the field of sports is becoming more and more powerful. Using the advanced methods and technologies of intelligent network security, this paper aimed to realize the optimization of sports under the security of intelligent network for psychological benefits and study the sports factors that promote psychological benefits. This paper proposed a target tracking algorithm to guide the integration of intelligent network and sports that promote psychological benefits. Using the target tracking in intelligent network security for reference, the biological mechanism of movement promoting psychological benefits was studied to achieve the integration between the two. In the expert evaluation results of the research on sports and psychological benefits of adolescents, creativity and subjective well-being scored the highest and the lowest, with 97.2 and 93.6 points respectively. Therefore, it is very important to use intelligent network security to study the biological mechanism of sports promoting psychological benefits.