Abstract: The present disclosure relates to a networked ecological conservation water-saving system for urban mass green land, comprising 5-9 ecological conservation water-saving devices which are orderly arranged in the urban green land per square meter. The ecological conservation water-saving devices are arranged in a central symmetry manner. Each ecological conservation water-saving device comprises a columnar housing and an infiltrating irrigation unit. A first water storage unit is provided at the center of each infiltrating irrigation unit, and a second water storage unit is provided at the lower part of each first water storage unit. The networked ecological conservation water-saving system further comprises a first water delivery pipe network, a second water delivery pipe network, and a third water delivery pipe network.