Phytoremediation is becoming the preferred method for soil remediation because of its environmental friendliness,and in which ryegrass plays an important role. The article reviewed the activation and stabilization of heavy metals in soil and the combination of multiple technologies in remediation of heavy metals polluted soils, and discussed the effects of ryegrass remediation on the soil properties, such as soil pH, nutrients and microbial activities, as well as the environmental risks after applying heavy...