In this research, many effects were examined by testing of adhesive intensity and accelerated weathering with synthetic resins for the conservation treatment of cracks and damaged parts of Kyound Chun-Sa10-story Pagodas, the National Treasure No. 86.It was tested with two kinds of Epoxy resins, Acrylic, Silicone resin, and five kinds of Acetics vinyl resins, and then which was ensured a successful result with Epoxy resins. According to these consequences, they are determined to treat damaged parts with Epoxy resin.