The invention discloses a multifunctional solar stage acrobatic performance pond supply truck. A water storage tank is arranged at the middle part of the supply truck, a control chamber is arranged at the front side of the water storage tank, a changing and showering room is arranged at the rear side of the water storage tank, a solar water heater is arranged at the top end of the water storage tank, a control switch is arranged in the control chamber, an air pump and a water suction pump are arranged at the lower end of the control chamber, the solar water heater is arranged at the upper top end of the supply truck through a bracket, a hydraulic lifter is arranged at the bottom side of the bracket of the water heater, an operating lever of the hydraulic lifter is arranged in the control chamber, a sewage purification pond is arranged at the rear bottom end of the water storage tank, and a sewage purifier is arranged in the purification pond. When in use, a box-type gas-filled pond is put on a stage, an air pump switch is switched on, the pond is filled with gas so as to form a rectangular box body, and a power switch of a water pump is switched on so as to fully fill the box body with water, that is to say, a performance pond with the size of the stage area is formed.