In recent years, there have been more and more reports of marine life dying. In these reports, for example, the sea turtle, whose shell was wrapped in a plastic bottle, causing it not to grow properly while it was still hatching, so this turtle grew up with this plastic bottle and lived in misery. They are pitiful, they don't have the hands to deal with all this rubbish that humans throw in the sea. In this case, the author wanted to use modern software technology to make a poster of these dangerous and environmentally unfriendly human behaviours to awaken people's conscience.

Yang Yunjia is proficient in using PS, AI and AE software, independently undertakes the design of posters and advertisements, deeply understands the connotation of advertising design, grasps the dynamic pulse of the design frontier, masters the essence of design theory, has a solid foundation of design theory and professional knowledge, and has unique insights into excellent design works at home and abroad. Good at communicating, assisting and having strong organisational skills, focusing on collective interests, with a strong team spirit. Strong self-learning ability, diligent and willing to work, cautious and independent, serious and rigorous, treating people with sincerity, treating the work seriously, strong adaptability to the environment. She has a wide range of hobbies and is good at various ball games and swimming, music, Chinese painting, sketching, watercolour, etc.

Northeastern University (NEU) was founded on April 26, 1923.Northeast University is one of the key universities of "double first-class", "985 Project" and "211 Project" in China. In its history of over 90 years, the university has formed its unique spirit: “Striving constantly for improvement and behaving in conformity with truth”.The university is situated in Shenyang, the central city of the Northeastern China, and it also has a campus in Qinhuangdao City, Hebei Province. The university occupies a total area of 2,550,000 square meters, of which the architectural area amounts to 1,680,000 square meters. It has 4,538 faculty members, among whom 2,711 are full-time teachers. Sticking to the principle of “cultivating outstanding personnel” and the path of “innovation, distinctiveness and openness”, NEU will stride forward unremittingly to build itself into a world-class university with Chinese characteristics, playing a leading role in the new industrialization progress in China.