The whole poster uses white as the base color, making the poster brighter and more concise. In the center of the poster, place a cute little child who is smiling and looking ahead. The child is surrounded by elements of plants and small animals, which highlight environmental awareness. Behind the child, the poster reads "Protect children, stay away from tobacco" in black letters, prompting people not to let tobacco harm children and the environment. In front of the child, the poster uses red and green elements to depict a pile of cigarette butts that damage the child and our environment, prompting people not to let the poison harm the child and the environment. Around the cigarette butt, you can also depict some trees and flowers and other plants with green elements, as well as some cute small animals, which highlight the environmental theme and also enhance the visual effect of the poster. Finally, at the bottom of the poster, add a small green word: "Love your family, cherish life" to remind people to cherish their lives and families and protect our environment. The whole poster adopts simple and bright colors and living materials, which makes people more receptive and concerned, and resonates more with the public. --auto --s2