[Purposes]In the IoT system,the server plays an important role in providing stable TCP ser-vices,database services,and Web server services.This paper mainly introduces the construction process and key considerations of the IoT server.[Methods]To do this,this article first discusses server platform selection to ensure that the server can meet performance needs and is easy to maintain.Then,the steps of building TCP services,database services and Web servers are introduced in detail,including developing corresponding software programs,installing and configuring database systems,and selecting appropriate Web server software.At the same time,this paper also emphasizes the security and scalability of servers,puts forward related security considerations and disaster recovery backup schemes,and points out the limitations of this paper and future improvement directions.[Findings]After testing,the system can op-erate stably and realize real-time display of IoT data and a large number of data interaction functions.The system is proven for performance,reliability and safety.[Conclusions]Finally,the server deploy-ment scheme is applied to the wind-solar storage intelligent power station,which verifies the research and practice of this paper,and the experiments show that the scheme is stable and reliable,which can provide some reference and guidance for the construction and application of IoT server.