A diagnostic data processing apparatus based on medical interview data and camera data according to the present invention includes: an interview engine for transmitting information on a question about previously provided standardized items to a user terminal or a smart mirror; an analysis engine for receiving medical interview information including information on an answer corresponding to the information on the question from the user terminal or the smart mirror, determining a state of a user by analyzing the medical interview information, and diagnosing the state of the user by analyzing a picture or an image received from the user terminal or the smart mirror; and a proposal engine for proposing complementary and alternative medical contents corresponding to information on a result of the analysis to the user terminal or the smart mirror through the information on the result of the analysis performed by the analysis engine.