o2 is a young innovative brand for China's high-end maternity and infant market, aiming to create a iconic one-stop maternity and infant service complex through professional, diversified and systematic concepts. To realize its young, fashionable and high-end brand orientation, the design embodies the innovative shaping of its brand image through brand naming, logo design, extended vision and the implementation of the whole range of the brand aspects. The design incorporates o2 word, reversed and repeated, which implies the cross-age and one-stop service business model of the brand and highlights the child interest and innovation of the brand. In the visual extension of the brand, we shows a unique visual effect through repeating the logo, inspired from the brand concept. Provide a free, healthy and happy growing space for children and accompany them like oxygen. Balloons are also incorporated to build a more cordial and intimate image, which better interprets its connotation and culture.