To provide a liquid lifting device capable of easily controlling the liquid lifting amount and reliably performing separation of floating matters.

A liquid lifting device is provided with endless screen panel 1, a block plate for blocking both sides on the inner periphery of the screen panels 1, liquid lifting buckets 2 provided on the screen panels 1, a liquid receiver 3 provided on the rising side of the liquid lifting buckets 2, and a nozzle 4 for injecting pressure fluid from the inside of the screen panel 1 to the outside, and each liquid lifting bucket 2 is provided with an outflow port on the liquid receiver 3 side, and the liquid receiver 3 is provided with a liquid lifting plate 3a for blocking the outflow port of the liquid lifting bucket 2.