The invention discloses a high tap water pool level automatic control device comprising a pool bottom floating ball (1), a pool top floating ball (2), a bracket (6), and a bracket fixing frame (7). The high tap water pool level automatic control device is characterized in that the bracket (6) is equipped with the pool bottom floating ball (1) at the bottom, the pool top floating ball (2) in the middle, and a travel switch (11) on the top; the pool bottom floating ball (1) and the pool top floating ball (2) are connected with the bracket (6) through floating ball rotating arms (3) and floating ball connecting plates (4); each floating ball rotating arm (3) and the corresponding floating ball connecting plate (4) are movably connected by a rotating bracket (5); and the tail ends of the floating ball rotating arms (3) of the pool bottom floating ball (1) and the pool top floating ball (2) are connected with the travel switch (11) through stay wires. The high tap water pool level automatic control device of the invention has the characteristics of simple structure, convenience of operation, and automatic water pumping and storing.