The invention discloses an air purification robot, which comprises a main body, wherein a filter cavity with an upward opening is arranged in the main body, an air outlet box is arranged at the top of the main body in a rotating fit manner, an adsorption cavity which is downwards communicated with the filter cavity is arranged at the inner side of the air outlet box, the bottom end of the adsorption cavity is provided with an adsorption plate, the outer side of the air outlet box is provided with a water mist mechanism, the upper side of the filter cavity is provided with a gear cavity, a rotary cavity is arranged on the left side of the filter cavity, a first driving shaft with the top end in rotating fit connection with the top wall of the gear cavity is arranged on the left side of the rotary cavity, a first motor is fixed at the lower end of the first driving shaft, steering wheel mechanisms are symmetrically arranged on the left and right sides of the lower side of the first motor by taking the main body as the center, the inner side of the steering wheel mechanism is provided with a supporting wheel mechanism, the outer wall of the rear side of the main body is provided with a sensing mechanism, the steering mechanism and the supporting mechanism are matched to finish the movement of the robot and the automatic steering when encountering obstacles.
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