唐太宗时期国强民富。据史料记载,当时是“左右库藏,财物山积,不可胜数。四方丰稳,百姓殷富”。空前发达的农业为社会经济的繁荣奠定了坚强的基础,而农业的发展与唐太宗重视水利是分不开的。 唐太宗执政后一直推行以农为本的政策,因此对农田水利工程建设十分重视。贞观年间,水旱连年不绝,治水更成为一项紧迫任务。据《旧唐书·五行志》记载,贞观十一年七月,洛水暴涨,淹没600余家,唐太宗下诏自责说:“暴雨成灾,大水泛滥,静思厥咎, Taizong period strong and rich people. According to historical records, at that time was “possession of about possession, property plot, countless. Quartet Feng-feng, people Yan Fu.” The unprecedented development of agriculture has laid a solid foundation for the social and economic prosperity, and the development of agriculture and Tang Taizong’s emphasis on water conservancy are inseparable. Since his administration, Emperor Taizong has been pursuing a policy based on agriculture. Therefore, he attaches great importance to the construction of farmland water conservancy projects. Zhenguan years, water and rain year after year, water treatment has become an urgent task. According to “Old Tang Five Elements” records, in July eleventh year of Zhenguan, Los water soared, over 600 submerged, Taizong edict self-blame, said: "The storm disaster, flooding, quiet Jue blame,