Columnar member mounting device and method for mounting a columnar member capable of mounting a columnar member at a predetermined position of a substrate without excess or deficiency

The present invention provides a columnar member mounting device and a method for mounting a columnar member which are capable of mounting a columnar member at a predetermined position of a substrate without excess or deficiency. In the columnar member mounting device 1 of the present invention, the columnar member 12 is erected and mounted at a predetermined position on the substrate 5, and the columnar member mounting device 1 includes: a columnar member transfer mask 21 disposed on the substrate 5 and having a plurality of mask openings 34 corresponding to the predetermined positions of the substrate 5; a brush-squeegee 28 for arranging the columnar member disposed above the columnar member transfer mask 21, wherein the columnar member 12 is transferred to the mask openings 34 while rotating and moving; and the excitation devices 22 and 23 to apply vibration to the columnar member transfer mask 21 when the brush-squeegee 28 for arranging the columnar member is driven. In the columnar member mounting device