Graphene has rich optical and electronic properties, nincluding zero band gap, high mobility and special optical absorption properties, and it has attracted much attention. More and more investigations focus on its fundamental physical properties and electronic devices. However, many researchers believe that its true potential lies in photonics and optoelectronics, such as photodetectors, modulators and transparent conductors used in light-emitting diodes or touch screens. In this review, we summarize its applications in semiconductor photoelectric devices, mainly for telecommunications.