Abstract: Provided are a service providing system capable of predicting and diagnosing the state of joints, and a method therefor.

Abstract: Provided are a skin disease detection system and a skin disease management method using a portable terminal. The method comprises: generating, by a health management server, skin health standard data by matching basic skin condition information with basic skin result data; receiving, by the health management server, skin condition measurement information for a skin disease of a test subject from a user terminal; and generating, by the health management server, health result data by comparing and analyzing the skin condition measurement information on the basis of the skin health standard data.