Surface water treatment device

The utility model discloses a surface water treatment device which comprises a raw water tank, the raw water tank is communicated with a water inlet lifting pump through a first water conveying pipe, the water inlet lifting pump is communicated with a multi-medium filter through a pump water outlet pipe, and the multi-medium filter is communicated with ultrafiltration equipment through a first impurity removal rear pipeline. The ultrafiltration equipment is communicated with a water production tank through a second impurity removal rear pipeline, the output end of the water production tank is communicated with a reverse osmosis device through a buffer rear pipeline and a high-pressure pump, the first output end of the reverse osmosis device is communicated with a yin-yang bed through a saline water removal pipeline, and the second output end of the reverse osmosis device is communicated with a concentrated water tank through a concentrated water discharge pipeline. By arranging the ultrafiltration equipment,