The invention provides liquid filling equipment. The liquid filling equipment comprises a vacuumizing part, a filling part and a filling gun head. The vacuumizing part comprises a vacuum pump, a vacuum tank, a vacuum pump on/off control valve, a first vacuum tank connection/disconnection control valve and a second vacuum tank connection/disconnection control valve. The filing part comprises a filling pump, a pilot type overflow valve, an air source, a first solenoid valve, a second solenoid valve, a first remote pressure regulating valve and a second remote pressure regulating valve. By the adoption of the liquid filling equipment, the liquid filling time of vehicles can be shortened, and the filling efficiency of the vehicles is improved.