Abstract: The general material procurement platform of China Railway (referred to as the National Railway Mall) faces CHINA RAILWAY and its affiliated organizations at the grass-roots level. It has a large number of users and is offen accessed in a specific period of time. The concurrent procurement volume is large. With the continuous expansion of business, the pressure of high concurrent access is increasing. This paper analyzed the high concurrent demand of the National Railway Mall, elaborated the key technologies such as microservice architecture, multi-level cache, Kubernetes, object storage, and introduced the technical ideas to solve the high concurrent access, provided technical support for improving the performance of the National Railway Mall and improving the user experience.