Provided are an apparatus and method for acquiring a spectrum based on a vein pattern. The spectrum acquisition apparatus may include a spectroscope configured to emit light onto a user's skin and receive light reflected or scattered from the skin, a vein pattern recognizer configured to recognize a vein pattern of a body area at which the spectroscope is located, and a spectroscope controller configured to control the spectroscope based on a vein pattern recognition result to acquire a skin spectrum of a body area of interest.
