Health care system and method using iris diagnosis

The present invention relates to a health care system and method using iris diagnosis. The system of the present invention comprises: an iris-image-acquiring unit for photographing the iris of a user to acquire an iris image; an image-processing unit for processing the iris image acquired by the iris-image-acquiring unit to extract iris characteristic parameters for the type, location, size, and color of the pattern formed on the fibrous tissue of the iris; a database unit for storing constitution classification information and health condition information according to the iris characteristic parameters, and health care information for each constitution; and a control unit for analyzing the constitution and health condition of the user on a basis of the iris characteristic parameters extracted from the image-processing unit, and providing health care information for the constitution and health condition of the user. The health care system of the present invention operates in connection with a door open/shut system, thereby enabling the user to undergo a constitutional or physical examination in a convenient manner during daily life without setting aside time or performing conscious actions for health examination, and also providing customized health care information appropriate for the constitution of the user.