This paepr introduces the electromagnetic properties of the superconductor, the conductive mechanism of the superconductor. We also make agene-ral survey oy of the development and the headmay of higher Tigher Tc superconductor.

• 本文介绍了超导体的电、磁特性；导电机理；并叙述了高Tc超导材料的研制、发展概况.