A docking system comprising: a first circuit adapted to be located in a robot, the first circuit comprising a power storage unit for supplying power to the robot and a first main control unit (76, 76') for controlling the movement of the robot; a first group of terminals (60, 62) electrically connected with the first circuit; a second circuit adapted to be located in a docking station, the second circuit comprising a power supplying unit (20, 20'); and a second group of terminals (16, 18) electrically connected with the second circuit, the power storage unit being configured to provide a detection power, the detection power generating a detection current when it flows across a detection circuit, the detection circuit being constructed by the first circuit and the second circuit through the first group of terminals docking with the second group of terminals, wherein the detection circuit further comprises a current detection unit (80, 80', 26, 26'), and the first main control unit is configured to confirm that the first group of terminals dock with the second group of terminals when the detection current is detected by the current detection unit, and wherein the second circuit further comprises a second main control unit (28, 28'), and the second main control unit is configured to control the power supplying unit to output a detecting power to the second group of terminals, confirm that the first group of terminals (60, 62) dock with the second group of terminals (16, 18) when the detection current is detected by the current detection unit (80, 80', 26, 26'), and control the power supplying unit (20, 20') to output a charging power to the second group of terminals after the first group of terminals (60, 62) dock with the second group of terminals (16, 18); characterized in that the second main control unit (28, 28') is configured to control the power supplying unit such that the detection power is lower than the charging power and cannot be used to charge the robot. a first circuit adapted to be located in a robot, the first circuit comprising a power storage unit for supplying power to the robot and a first main control unit (76, 76') for controlling the movement of the robot; a first group of terminals (60, 62) electrically connected with the first circuit; a second circuit adapted to be located in a docking station, the second circuit comprising a power supplying unit (20, 20'); and a second group of terminals (16, 18) electrically connected with the second circuit, the power storage unit being configured to provide a detection power, the detection power generating a detection current when it flows across a detection circuit, the detection circuit being constructed by the first circuit and the second circuit through the first group of terminals docking with the second group of terminals, wherein the detection circuit further comprises a current detection unit (80, 80', 26, 26'), and the first main control unit is configured to confirm that the first group of terminals dock with the second group of terminals when the detection current is detected by the current detection unit, and wherein the second circuit further comprises a second main control unit (28, 28'), and the second main control unit is configured to control the power supplying unit to output a detecting power to the second group of terminals, confirm that the first group of terminals (60, 62) dock with the second group of terminals (16, 18) when the detection current is detected by the current detection unit (80, 80', 26, 26'), and control the power supplying unit (20, 20') to output a charging power to the second group of terminals after the first group of terminals (60, 62) dock with the second group of terminals (16, 18); characterized in that the second main control unit (28, 28') is configured to control the power supplying unit such that the detection power is lower than the charging power and cannot be used to charge the robot.