GUO Shou-jin,a scientist in Yan dynasty, who made great achievements in regulating rivers and watercourses projects, had his unique mode of thinking in the field of water conservancy.

• 元代科学家郭守敬治水不仅在工程上成就巨大，其思维方法也独具特点.；他在深入的实际调查的基础上提出对水利工程的规划与建设方案；