An electronic component mounting device including a component holding device to hold and mount on a board an electronic component supplied by a component supply device; a motor to drive the component holding device; a motor control device to control the motor; a load measurement device to measure a load applied from the component holding device upon being pressed by the component holding device while the component holding device performs the same operation as when mounting an electronic component on a board, by replacing the board with the load measurement device; a motor information acquisition section to obtain motor information corresponding to the force with which the motor drives the component holding device in the pressing direction against the load measurement device while the motor control device performs the same operation as when mounting an electronic component on the board, by replacing the board with the load measurement device.