Polymers containing tetraphenylporphyrin moieties in their side chains were prepared by radical polymerizations of 5-(4-acryloyloxyphenyl)-10,15,20-triphenylporphine(AOTPP), 5-(4-methacryloyloxyphenyl)-10,15,20-triphenylporphine(MAOTPP), 5-(4-acrylamidephenyl)-10,15,20-triphenylporphprin (AATPP), 5-(4-methacrylamidephenyl)-10,15,20-triphenylporphyrin(MAATPP), 5-(4-vinylphenyl)-10,15,20-triphenylporphyrin(MAATPP), and by polymerizations of 5-(4-ethynylphenyl)10,15,20-triphenylporphyrin (ETPP) with rhodium catalyst ((bicyclo[2,2,1]hepta-2,5-diene)rhodium (I) dimer). The magnetic behavior of their silver (II) complexes was investigated by measuring their magnetic susceptibilities and ESR spectroscopy, Comparison of their magnetic susceptibilities shows that stronger antiferromagnetic interaction was observed in polymers with carbonyl group, and that the origin of the antiferromagnetic interaction is likely due to superexchange interaction through oxygen atoms of carbonyl group.