A component mounting machine comprising: an illumination light source configured to illuminate an identification target, wherein the identification target which is a character, a symbol, or a mark is attached to an upper surface of a component supplied by a component supply device, from obliquely above; a camera configured to image the identification target on the upper surface of the component, which is illuminated by the illumination light source from obliquely above; an image processing device configured to process an image captured by the camera to identify the identification target; a mounting head configured to pick up the component to mount the component on a circuit board; a head moving device configured to move the mounting head; and an electric component holding frame, being provided to move integrally with the mounting head, which is configured to hold a control board or cables of the mounting head, while the electric component holding frame protruding to a side of the mounting head, wherein the illumination light source is attached to a lower portion of the electric component holding frame, the camera is a mark imaging camera configured to move integrally with the mounting head and to image a board mark of the circuit board, and the mark imaging camera is attached downward to a side surface portion of the mounting head; wherein the illumination light source is attached to an end portion of the lower portion of the electric component holding frame, which is on an opposite side to a position of the mark imaging camera, thereby securing a distance between the illumination light source and the mark imaging camera in the horizontal direction. an illumination light source configured to illuminate an identification target, wherein the identification target which is a character, a symbol, or a mark is attached to an upper surface of a component supplied by a component supply device, from obliquely above; a camera configured to image the identification target on the upper surface of the component, which is illuminated by the illumination light source from obliquely above; an image processing device configured to process an image captured by the camera to identify the identification target; a mounting head configured to pick up the component to mount the component on a circuit board; a head moving device configured to move the mounting head; and an electric component holding frame, being provided to move integrally with the mounting head, which is configured to hold a control board or cables of the mounting head, while the electric component holding frame protruding to a side of the mounting head, wherein the illumination light source is attached to a lower portion of the electric component holding frame, the camera is a mark imaging camera configured to move integrally with the mounting head and to image a board mark of the circuit board, and the mark imaging camera is attached downward to a side surface portion of the mounting head; wherein the illumination light source is attached to an end portion of the lower portion of the electric component holding frame, which is on an opposite side to a position of the mark imaging camera, thereby securing a distance between the illumination light source and the mark imaging camera in the horizontal direction.