The poster focuses on the current ecological and environmental problems, with a bird as the main body, the bottle cap is isomorphic with its eyes, and the bottle body isomorphic with the bird's beak, showing the helplessness of the bird, and the background highlights the sense of fragmentation, echoing the theme of environmental protection. The environment is the basic condition for human survival. The 2,000-year-old civilization process has not sacrificed the green of the earth, while the modern civilization in just 200 years has scarred the earth. Therefore, as the master of the earth, we should be aware of the importance of current environmental protection and take action.