Plastic products bring convenience to human beings.However,it is difficult to degrade the waste plastic products which cause an environmental problem of widespread concern in various countries.At present,due to the shortage of fossil resources such as oil and coal,the recycling of waste plastics has become one of the ways to alleviate the energy and environmental crisis.This paper summarized the current situation of plastic recycling and reuse,and introduced the research progress of plastic recycling and treatment technology in China in recent years.