The recycling of PET plastic bottles can not only solve environmental problems, but also can be used as a new raw material resource to ease the shortage of PET raw materials in China. Yes, looking back at China’s 30 years of reform and opening up, although China has made remarkable achievements in the economic field, it has also caused serious damage to China’s environment. Water pollution, air pollution, solid waste pollution, etc. The shrinking of China’s economy has been brought about. People gradually came to realize this problem and proposed a series of measures to follow the road of sustainable development, green GDP strategy, circular economy strategy, and so on. From this, it can be seen that the recycling of PET plastic bottles is in line with the realities facing China, and has great benefits for environmental protection, resource conservation, and sustainable development.