A component mounting device for picking up a component supplied from a component supply device and mounting the component so picked up onto a target object, comprising: a head configured to pick up the component; an imaging device configured to image, from above, the component supplied from the component supply device; and characterized by a control device configured to execute a recognition data creation process for preparing the recognition data by obtaining angle information on a supply angle of the component supplied from the component supply device with respect to a reference angle thereof, causing the imaging device to operate so as to image the component supplied from the component supply device, and rotating a first captured image so obtained to the reference angle based on the angle information, setting seek lines around an identification section, wherein the identification section is affixed to the component, registering said seek lines as the recognition data, and a pickup process for causing the head to operate so as to pick up the component after a supply state of the component is determined based on - a second captured image obtained by causing the imaging device to operate so as to image the component supplied from the component supply device, - the recognition data created in the recognition data creation process, and - angle information on a supply angle of the component. a head configured to pick up the component; an imaging device configured to image, from above, the component supplied from the component supply device; and characterized by a control device configured to execute a recognition data creation process for preparing the recognition data by obtaining angle information on a supply angle of the component supplied from the component supply device with respect to a reference angle thereof, causing the imaging device to operate so as to image the component supplied from the component supply device, and rotating a first captured image so obtained to the reference angle based on the angle information, setting seek lines around an identification section, wherein the identification section is affixed to the component, registering said seek lines as the recognition data, and a pickup process for causing the head to operate so as to pick up the component after a supply state of the component is determined based on - a second captured image obtained by causing the imaging device to operate so as to image the component supplied from the component supply device, - the recognition data created in the recognition data creation process, and - angle information on a supply angle of the component. execute a recognition data creation process for preparing the recognition data by obtaining angle information on a supply angle of the component supplied from the component supply device with respect to a reference angle thereof, causing the imaging device to operate so as to image the component supplied from the component supply device, and rotating a first captured image so obtained to the reference angle based on the angle information, setting seek lines around an identification section, wherein the identification section is affixed to the component, registering said seek lines as the recognition data, preparing the recognition data by obtaining angle information on a supply angle of the component supplied from the component supply device with respect to a reference angle thereof, causing the imaging device to operate so as to image the component supplied from the component supply device, and rotating a first captured image so obtained to the reference angle based on the angle information, setting seek lines around an identification section, wherein the identification section is affixed to the component, registering said seek lines as the recognition data, and a pickup process for causing the head to operate so as to pick up the component after a supply state of the component is determined based on - a second captured image obtained by causing the imaging device to operate so as to image the component supplied from the component supply device, - the recognition data created in the recognition data creation process, and - angle information on a supply angle of the component. - a second captured image obtained by causing the imaging device to operate so as to image the component supplied from the component supply device, - the recognition data created in the recognition data creation process, and - angle information on a supply angle of the component.