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Skin diseases area unit 1 in every of the foremost common diseases in human andits incidence is increasing dramatically. So early diagnosis may be a crucial issue. Even full-fledgeddoctor isn't able to classify the skin illnesss and its supply for inflicting disease, that the pc based mostlydisease detection is important to produce recommendation for non-specialized user. It'searly finding and treatment of skin diseases will scale back the righteousness and morbidity of the patients.Digital Dermo-scopy is wide thought of mutually of the foremost value effective means that to spot andclassify skin-diseases. Thus we are able to use image process techniques to notice the carcinoma. theutilization of image process for the diagnostic purpose is non-invasive technique. Automatic imageanalysis technique is that the heart of image process. In medical field it may be accustomed offer thequantitative dataregarding lesion.It'snothing however thefirstwarning tooltoavoidthelongrunissues throughout the treatment. Early stage detection of lesion is important and basic step. This must beachievedwhilenotperformingartsanypenetrationwithinthebodyasatypeofinjection.Thestraightforward approach is to research the digital pictures of skin lesions. Feature extraction is that thevital tool which might be accustomed analyze and explore the image properly. Initial totally differentpicturesaresegmentalandoptionsareaunitextractedfromthesepictures.Theprojectedsystemincludestheonlytechniqueofsegmentation.Itdoesn'tinvolveuserinteractionsimilarlyasthere'snogot to modification any parameter for various skin lesions. During this paper we are able to analyzecolor based mostlyoptions, formbased mostlyoptions and texturebased options.