Abstract: Development of underground pipeline irrigation of plain river network regions in Zhejiang province is very fast，and in practice，two typical modes have been formed.Micro-pressure pipe irrigation mode was represented by Pinghu city and low-pressure pipe irrigation mode was represented by Tongxiang city.Based on the analysis of agricultural irrigation conditions and agricultural production characteristics of plain river network region in Zhejiang province，these two typical modes of underground pipe irrigation were summarized.Proposals on development of underground pipe irrigation of plain river network regions in Zhejiang province were put forward.