s:In this thesis, research result of research situation and developing course of environmental problem countermeasures to plastics development shows that 3R strategies and the two technologies of application plastics stablizing and degrading are still main countermeasures currently. As for the treatment of plastic wastes, future developing trend is to lay stress on recycling and burning, and at the same time decreasing burying. Also, changes of people's views and ways of life to regard wasted plastics as a ...