A coin dispenser, comprising: a body comprising a housing, said housing defining therein an accommodation chamber; at least one coin collecting tube mounted in said housing, each said coin collecting tube defining therein a duct for receiving at least one metal coin; and a coin dispensing unit comprising a casing mounted in a bottom side of said accommodation chamber inside said body below said at least one coin collecting tube, a storage space defined in said casing, at least one through hole cut through a top wall of said casing and aimed at a bottom end of the said duct of one respective said coin collecting tube, a coin outlet located on an opposing bottom wall of said casing, a drive module mounted in said storage space inside the casing, at least one dialing device disposed inside said storage space and located around said drive module and a spring plate mounted in each said through hole of said casing, said dialing device comprising a shaft positioned on a bottom surface of said storage space, a paddle pivotally disposed on said shaft, a driving member located on one end of said paddle and drivable by said drive module to cause said paddle to rotate axially and a dialing rod upwardly extended from an opposite end of said paddle, said spring plate comprising a positioning portion positioned on the peripheral wall of the associating said through hole, two spring arms extended from one side of said positioning portion toward the inside of the associating said through hole, a gap formed between said two spring arms for the insertion of said dialing rod, a channel formed on one side of said gap for said dialing rod to pass and a coin-stopping column upwardly extended from a top surface of a distal end of each said spring arm; wherein when said dialing rod is pushed against one side of the peripheral edge of said metal coin, the other side of the peripheral edge of said metal coin pushes against said coin-stopping columns to slide along the peripheral edge of said metal coin so that when said metal coin crosses two said coin-stopping columns, said metal coin is sent out of said coin outlet of said casing, characterized in that said drive module of said coin dispensing unit comprises a turntable for axial rotation, and a pusher disposed on a top surface of said turntable; said driving member is provided with a dial block being able pushed by said pusher to cause said paddle to rotate axially. a body comprising a housing, said housing defining therein an accommodation chamber; at least one coin collecting tube mounted in said housing, each said coin collecting tube defining therein a duct for receiving at least one metal coin; and a coin dispensing unit comprising a casing mounted in a bottom side of said accommodation chamber inside said body below said at least one coin collecting tube, a storage space defined in said casing, at least one through hole cut through a top wall of said casing and aimed at a bottom end of the said duct of one respective said coin collecting tube, a coin outlet located on an opposing bottom wall of said casing, a drive module mounted in said storage space inside the casing, at least one dialing device disposed inside said storage space and located around said drive module and a spring plate mounted in each said through hole of said casing, said dialing device comprising a shaft positioned on a bottom surface of said storage space, a paddle pivotally disposed on said shaft, a driving member located on one end of said paddle and drivable by said drive module to cause said paddle to rotate axially and a dialing rod upwardly extended from an opposite end of said paddle, said spring plate comprising a positioning portion positioned on the peripheral wall of the associating said through hole, two spring arms extended from one side of said positioning portion toward the inside of the associating said through hole, a gap formed between said two spring arms for the insertion of said dialing rod, a channel formed on one side of said gap for said dialing rod to pass and a coin-stopping column upwardly extended from a top surface of a distal end of each said spring arm; wherein when said dialing rod is pushed against one side of the peripheral edge of said metal coin, the other side of the peripheral edge of said metal coin pushes against said coin-stopping columns to slide along the peripheral edge of said metal coin so that when said metal coin crosses two said coin-stopping columns, said metal coin is sent out of said coin outlet of said casing, characterized in that said drive module of said coin dispensing unit comprises a turntable for axial rotation, and a pusher disposed on a top surface of said turntable; said driving member is provided with a dial block being able pushed by said pusher to cause said paddle to rotate axially.