The utility model discloses a power-assisted roller shoe which comprises a shoe body. A shoe body support is arranged at the bottom of the shoe body, a roller carrier is hinged below the middle of the shoe body support, the front and the rear of the roller carrier are provided with a front roller and a rear roller respectively, a front driving mechanism is arranged between the front roller and the front of the shoe body support, and a rear driving mechanism is arranged between the rear roller and the rear of the shoe body support. The power-assisted roller shoe has the advantages that the power-assisted roller shoe is simple in structure, rising and falling of a heel and a sole can be converted into energy to drive the roller shoe to roll forwards when a user walks, so that the energy naturally consumed when the user walks at ordinary times can be converted into forward power, and physical exhaustion of the user is reduced.