A disease diagnosis and skin age measurement apparatus includes: a first light collection unit a second light collection unit a spectrometer configured to measure a spectrum of the light which is collected by the second light collection unit a spectrum data comparison unit for disease diagnosis configured to compare the spectrum measured by the spectrometer and reference spectrum data for disease diagnosis a CCD an image data comparison unit configured to compare the digital image converted by the CCD and a reference image a disease diagnosis unit configured to determine whether there is a disease in the body tissue and/or a spectrum data comparison unit for skin age measurement configured to measure skin age by comparing a spectrum measured by the spectrometer and reference spectrum data for skin age measurement, wherein the light projected onto the body tissue is collimate light.
