A parallel link robot system comprising: at least one parallel link robot configured to pick a workpiece in a first working region and place the workpiece in a second working region, the at least one parallel link robot comprising: a base having an axis; a movable portion movable relatively to the base along the axis so as to pick and place the workpiece; first, second and third arms (A1, A2, A3) provided to project outwardly in a radial direction with respect to the axis and arranged around the axis to form a first angle between the first arm and the second arm, a second angle between the second arm and the third arm, and a third angle between the third arm and the first arm, each of the first, second and third arms (A1, A2, A3) connecting the base and the movable portion to move the movable portion along the axis; the third angle being less than 120 degrees, the first angle and the second angle being equal to each other; and the first arm and the third arm being positioned on a side of the first working region with respect to the axis, the second arm being positioned on a side of the second working region with respect to the axis; characterized in that the at least one parallel link robot includes three motors (M1, M2, M3) located at the top of the base; and the at least one parallel link robot includes a belt which is inserted through an opening provided in the base and which is configured to transmit motive power of the motors (M1, M2, M3) to the speed reducers (R1, R2, R3), respectively. at least one parallel link robot configured to pick a workpiece in a first working region and place the workpiece in a second working region, the at least one parallel link robot comprising: a base having an axis; a movable portion movable relatively to the base along the axis so as to pick and place the workpiece; first, second and third arms (A1, A2, A3) provided to project outwardly in a radial direction with respect to the axis and arranged around the axis to form a first angle between the first arm and the second arm, a second angle between the second arm and the third arm, and a third angle between the third arm and the first arm, each of the first, second and third arms (A1, A2, A3) connecting the base and the movable portion to move the movable portion along the axis; the third angle being less than 120 degrees, the first angle and the second angle being equal to each other; and the first arm and the third arm being positioned on a side of the first working region with respect to the axis, the second arm being positioned on a side of the second working region with respect to the axis; a base having an axis; a movable portion movable relatively to the base along the axis so as to pick and place the workpiece; first, second and third arms (A1, A2, A3) provided to project outwardly in a radial direction with respect to the axis and arranged around the axis to form a first angle between the first arm and the second arm, a second angle between the second arm and the third arm, and a third angle between the third arm and the first arm, each of the first, second and third arms (A1, A2, A3) connecting the base and the movable portion to move the movable portion along the axis; the third angle being less than 120 degrees, the first angle and the second angle being equal to each other; and the first arm and the third arm being positioned on a side of the first working region with respect to the axis, the second arm being positioned on a side of the second working region with respect to the axis; characterized in that the at least one parallel link robot includes three motors (M1, M2, M3) located at the top of the base; and the at least one parallel link robot includes a belt which is inserted through an opening provided in the base and which is configured to transmit motive power of the motors (M1, M2, M3) to the speed reducers (R1, R2, R3), respectively.