The invention discloses low-energy-consumption powder coating for hub coating, and relates to the technical field of powder coating. The low-energy-consumption powder coating comprises epoxy resin, cured polyester resin, a leveling agent, benzoin, auxiliary agents and pigment, and is characterized in that the coating is prepared from, by weight, 200-430 parts of the epoxy resin, 180 to 230 parts of the cured polyester resin, 8-10 parts of the leveling accelerator, 2-3 parts of the benzoin, 10 to 15 parts of the wax powder, 20 to 40 parts of the auxiliary agents and 2 to 10 parts of the pigment; the epoxy equivalent of the epoxy resin is about 650 to 750 g / EQ; the cured polyester resin is carboxyl acrylic polyester the acid value of which is about 50 to 60 mg KOH / g; the leveling acceleratorand the benzoin are respectively an acrylate copolymer and benzoin; the wax powder comprises Clariant degassing wax powder and BYK degassing wax powder; the auxiliary agents comprise a flow auxiliaryagent, a curing agent, a precipitating agent, a polishing agent and barium sulfate; the pigment comprises titanium dioxide, carbon black, iron oxide yellow and zinc chrome yellow; and the coating hasthe characteristics of low fixed energy consumption, good leveling effect and stable adhesion.