A floor sweeping robot (1), comprising a control system (150), a binocular camera (110), and an image processing system (140). The binocular camera (110) is used for acquiring two pieces of picture information at different angles of a same obstacle at the same moment; the image processing system (140) is used for processing the two pieces of picture information acquired by the binocular camera (110) to obtain obstacle information; the control system (150) executes different actions according to the obstacle information, wherein the obstacle information comprises the size and shape of the obstacle, and the distance between the obstacle and the floor sweeping robot (1). In addition, also disclosed are a floor sweeping robot system and a working method of the floor sweeping robot (1).
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