Floating mobile water pump

The utility model relates to a floating mobile water pump which is characterized by comprising a floater (1). The floater (1) comprises a pair of floating cylinders (101) on two sides, the inner sides of the pair of floating cylinders (101) are connected with a pair of filter cavities (103), filter holes (1031) are arranged on the outer wall of each filter cavity (103), the inner sides of the pair of filter cavities (103) are fixedly connected with a hollow cavity (102) and communicated with the same through at least one water hole (1021), at least one vent hole (1022) is arranged above the hollow cavity (102). The water pump (3) is fixed on the floater (1). A water inlet of the water pump (3) is communicated with a water inlet pipe (4) which extends beneath water surface in the hollow cavity (102). A filter screen (401) is disposed at the end of the water inlet pipe (4).