World economy is in the trend of globalization while Chinese urbanization construction has also constantly developed. Nation has paid more and more attention to spiritual cultural construction and sports cultural construction. Nowadays, people sports consciousness strengthens, however it cannot speed up traditional sports events development, which attracts masses attention. The paper takes stilt race such traditional folk custom sports event as an example, starts from female performance and male performance the two aspects, utilizes BP neural network model to evaluate traditional folk custom sports event development conditions. Regard Guangdong, Hubei, Liaoning, Hebei and other eight provinces and cities data as sample data, make evaluation targeted at Shanghai, Chongqing, Tianjin and Chengdu four regions, the evaluation result shows that Shanghai, Chongqing traditional folk custom sports events are well developed.