The present invention provides a medical diagnosis support device which enables a user to acquire the most appropriate information to support medical diagnosis without causing the user so much trouble. Specifically, the medical diagnosis support device comprises: an image processing method storage portion 152 for memorizing plural types of image processing methods; a photographing method storage portion 153 for memorizing plural types of photographing methods; an identification information acquisition portion 160 for acquiring identification information of a specimen S; an image processing method selection portion 141 for selecting, based on identification information thus acquired, a corresponding image processing method from the image processing method storage portion 152; a photographing method selection portion 142 for selecting, based on the acquired identification information or the image processing method thus selected, a corresponding photographing method from the photographing method storage portion 153; a specimen photographing portion 110 for photographing the specimen S according to the selected photographing method to acquire a specimen image; and an image processing portion 145 for subjecting the specimen image acquired by the specimen photographing portion 110, to image processing, according to the image processing method selected by the image processing method selection portion 141.