ImageMiner,　a　content-based　image　database　management　system　is　designed　in　this　paper.　It　combines　computer　vision,　machine　learning　and　traditional　database　technology　to　build　up　image　database　description　and　manage　system　based　on　contents.　ImageMiner　includes　four　core　subsystems:　ImageSeek　for　content-based　image　retrieval,　ImageClassifier　for　content-based　image　classification,　ImageCluster　for　content-based　image　clustering　and　ImageFilter　for　detecting　interesting　images　and　defending　offensive　images.