The SDP Diagnosis System provides accurate diagnosis with its multicam. The digital cam captures vivid and magnified skin photos for scientific diagnosis and description of customer's Skin. The auto-updating device is capable of generating automatic recommendation of suitable cosmetics depending on skin types. The device offers diverse functions including skin diagnosis, customer database, purchase records, shopping cart and networking function. The analyzed skin photos and result graph provides accurate understanding for automatic skin analysis. SDP is capable of saving numerous data for comparison of diagnosis results.