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Bend erosion is a fairly serious problem in conveyer pipe system. This paper intends to introduce a new anti-erosion method for bend: ribbed anti-erosion method. An experimental research was done by fixing ribs in the range of 10°～70° on the outer-wall of inside 90°-bend. As a result, the anti-erosion efficiency 93.02% was obtained in the experiments. It shows that ribbed bend technology is a simple and efficient anti-erosion method. Besides, it was found that rectangular ribs had more obvious anti-erosion effect than square ribs do when they have equal height.