The water conservancy industry is a key industries in the critical information infrastructure.In recent years，with the growing global network security challenges and the rapid development of smart water conservancy and digital twin water conservancy，the importance of network security in the water conservancy has become increasingly evident.In response to these challenges，the water conservancy department of Jiangxi has proposed a construction framework of “one center，triple systems，and diversified intelligence，” tailored to the specific needs of Jiangxi water conservancy.This framework has led to the establishment of a comprehensive，systematic，and proactive risk-driven network security protection system，aligned with the development of smart water conservancy and digital twin water conservancy.This system has significantly enhanced protection capabilities and laid a solid foundation for the construction of smart water conservancy and digital twin water conservancy in Jiangxi，offering valuable guidance for the industry.