A single-armed manipulator comprises: a fixed horizontal guide rail (19); a fixed horizontal guide rail motor (20) provided at the fixed horizontal guide rail (19); a fixed horizontal guide sleeve (27) and a movable horizontal guide rail (21) installed at the fixed horizontal guide rail (19); a movable horizontal guide sleeve (28) and a movable horizontal guide rail motor (22) provided at the movable horizontal guide rail (21); an arm assembly (8) provided at the movable horizontal guide sleeve (28); and a manipulator controller (7) electrically connected to the fixed horizontal guide rail motor (20) and the movable horizontal guide rail motor (22), wherein the fixed horizontal guide rail motor (20) is used to drive the movable horizontal guide rail (21) to move along the fixed horizontal guide rail (19), and the movable horizontal guide rail motor (22) is used to drive the arm assembly (8) to move along the movable horizontal guide rail (21).
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