System　of　traditional　Chinese　medicine　has　always　been　emphasized　by　people,　have　heavy　depending　on　the　individual　difference　factors　in　disease,　the　role　of　development,　this　kind　of　subtle　change,　tongue　can　fast　and　accurate　present　right　now.　Using　tongue　diagnosis　to　identification　of　traditional　Chinese　medicine(TCM)　physique,　wh　ich　in　clinical　can　be　applied　to　the　health,　health　physical　examination　and　individual　health　insurance　health,　for　the　medical　＂eure　not　ill＂　provide　convenient　diagnostic　method.　This　paper　describes　a　quantitative　study　on　the　tongue　characters　related　to　Chinese　medicine　physique　by　the　means　of　the　image　processing.