?In past the traditional method to detecting brain tumours was by naked eye depends on area's and shape's of the tumour, here being the problem Cuz not all the doctors with same Knowledge, and the Eye diagnosis takes alot of time with many error and it decreased accurarcy of detection and Classification .After that use segmentation techniges to extract the features of ROI by used sobel oprator, simple it detecting edges by highlight areas of rapid intensity transitions.We used to parts in methodology the first one deals with detection the tumor , the other one Contains the Classification of tumor by matlab tools.So we had to Create system to detectd and classificate the tumor , to avoid using eye dignosis, reduce the time and Dignosis as many image as possible .