Ordinary. According to official website's inquiry, this company is a regular company protected by official website's certification law. Netease Youdao Zhixue is an intelligent teaching assistant product of Netease Youdao, which focuses on providing personalized chemical practice services for students. Through the adaptive teaching system, the teaching ideas of real teachers are simulated, and according to each student's knowledge shortcomings and high-level needs, exclusive learning paths are generated, and high-quality interactive learning content is dynamically recommended, including exclusive learning planning, massive interactive videos, massive adaptive AI exercises, etc.