1. An ophthalmic photographing apparatus comprising: an optical coherence tomography device that comprises an optical scanner for setting a photographing position on an examinee's eye, and is configured to obtain a tomographic image of the examinee's eye; a driving control unit configured to control driving of the optical scanner and scan measurement light two-dimensionally on the eye, and obtain a three-dimensional image of the eye: an image processing unit configured to analyze the three-dimensional image; a display control unit configured to control a monitor to display: an observation optical system configured to obtain a front observation image of the examinee's eye as a moving image; and an operation unit configured to be operated by an examiner, wherein: the optical coherence tomography device comprises an optical coherence tomography device configured to obtain a tomographic image of a fundus of the examinee's eye, the image processing unit is configured to detect information on layers of the fundus in the three-dimensional image of the fundus through image processing, and make up an analysis map indicating two-dimensional distribution on the fundus layers, the display control unit controls the monitor to display at the same time, the analysis map, and the moving image of the front observation image obtained by the observation optical system; and the driving control unit is configured to control the optical coherence tomography device based on a signal from the operation unit, wherein a position on the examinee's eye at which the tomographic image is to be picked up is changeable by using the moving image of the front observation image and the analysis map.