Geometries　of　two-dimensional　hexagonal　net　and　one-dimensional　chain　of　C-36　polymers　were　optimized　by　using　the　PM3　and　133LYP　methods.　Their　electronic　structures　and　stability　were　also　discussed.　The　band　structures　were　calculated　at　ab　initio　level.　Compared　to　the　OD　structure,　the　structure　of　the　C-36　unit　in　the　2D　and　1D　polymers　changed　obviously　after　polymerization,　in　which　the　C-C　bond　length　inside　the　C-36　molecule　varied　markedly.　The　calculation　results　showed　that　the　stability　of　the　system　increased　after　forming　the　C-36　polymers,　having　semi-conducting　or　insulating　properties.　The　improvement　of　stability　of　the　polymers　is　due　to　the　enhancement　of　localization　of　the　C-C　bond.