Specimen resources are becoming more and more precious, so specimen repair techniques need to be constantly updated. This paper addresses the phenomenon of dry cracks, hair removal, discoloration, mildew, and worm-eaten of peeled specimens using improved techniques, which includes use of new materials, way of addition color, mildew resistance and mothproof. Compared with the previous techniques, the new techniques fully utilizes the new materials and ways, which are simple and practicable. Several cases of specimen repairing were introduced here, results show that the new techniques can restore damaged specimens as before.