Youdao is a subsidiary of Netease that uses big data technology to provide mobile Internet applications. Netease Youdao Company has launched a series of products such as Youdao Dictionary, Youdao Cloud Notes, Hui Hui Net and Youdao Promotion. Youdao is a well-known education and training brand under Netease Group, covering all-age courses such as youth literacy and high school planning. Youdao also has a large number of excellent teachers' teams, which tailor the study plan for children and make them learn efficiently.

It has always maintained a leading position in the development of Internet applications and services, and has taken the lead in launching products or services including Chinese full-text retrieval, full-Chinese large-capacity free mail system, unlimited free online photo album, free electronic greeting card station, online auction platform and so on in the domestic Internet industry.