Nowadays, environmental problems are becoming more and more serious. Most of the reasons are that human beings do not pay attention to environmental protection, which leads to land desertification, glacier melting, water shortage and other problems. The design revolves around this phenomenon and calls on everyone to protect the environment. The poster combines the delete key on the keyboard, various beautiful landscapes and human fingers, which means that human beings are deleting beautiful landscapes one by one, making people realize that various behaviors are very harmful.