Fres-Air is an eco-friendly desktop air purifier, The book-liked shape design allows the air purifier to integrate into the environment more harmoniously, aesthetic value tends to express mild and desktop friendly. In the post-epidemic era, people pay special attention to air quality, and they hope to breathe clean and fresh air whether in an open office area or at home. At present, the existing purifiers mostly are bulky, occupying a large area of the desktop, which is easy to cause clutter to the desktop. Through design, a close natural relationship is formed between people, products and the environment.