A mounting device which mounts a light emitting component which includes an illuminant onto a board, comprising: a component holding means configured for holding the light emitting component; a moving means configured for causing the component holding means to move; an imaging means configured for imaging a region which includes at least a portion of the illuminant in the light emitting component to acquire a light emitting component image; and an illuminant coordinates detection means configured for detecting coordinates of a specific part of the illuminant based on the light emitting component image, characterized in that the mounting device further comprises: a control means configured for controlling the component holding means and the moving means to perform mounting of the light emitting component such that the light emitting component is held, the light emitting component is moved over the board, and the specific part of the illuminant is positioned at predetermined coordinates on the board based on the coordinates of the specific part of the illuminant which are detected from the light emitting component image by the illuminant coordinates detection means, without using information relating to an outer shape of the light emitting component which is based on the light emitting component image acquired by the imaging means, wherein the illuminant coordinates detection means detects the coordinates of the specific part of the illuminant from the light emitting component image in a state where the component holding means does not hold the light emitting component; wherein the imaging means is a mark camera which is capable of imaging a mark which is on the board. a component holding means configured for holding the light emitting component; a moving means configured for causing the component holding means to move; an imaging means configured for imaging a region which includes at least a portion of the illuminant in the light emitting component to acquire a light emitting component image; and an illuminant coordinates detection means configured for detecting coordinates of a specific part of the illuminant based on the light emitting component image, characterized in that the mounting device further comprises: a control means configured for controlling the component holding means and the moving means to perform mounting of the light emitting component such that the light emitting component is held, the light emitting component is moved over the board, and the specific part of the illuminant is positioned at predetermined coordinates on the board based on the coordinates of the specific part of the illuminant which are detected from the light emitting component image by the illuminant coordinates detection means, without using information relating to an outer shape of the light emitting component which is based on the light emitting component image acquired by the imaging means, wherein the illuminant coordinates detection means detects the coordinates of the specific part of the illuminant from the light emitting component image in a state where the component holding means does not hold the light emitting component; wherein the imaging means is a mark camera which is capable of imaging a mark which is on the board. a control means configured for controlling the component holding means and the moving means to perform mounting of the light emitting component such that the light emitting component is held, the light emitting component is moved over the board, and the specific part of the illuminant is positioned at predetermined coordinates on the board based on the coordinates of the specific part of the illuminant which are detected from the light emitting component image by the illuminant coordinates detection means, without using information relating to an outer shape of the light emitting component which is based on the light emitting component image acquired by the imaging means, wherein the illuminant coordinates detection means detects the coordinates of the specific part of the illuminant from the light emitting component image in a state where the component holding means does not hold the light emitting component; wherein the imaging means is a mark camera which is capable of imaging a mark which is on the board.