Educational equity is not only an important foundation of social justice, but also an important content of building a harmonious socialist society. At present, China's educational inequality has become the focus of the community. The research on the problem of educational equity has become an important topic in the context of a harmonious society. In the background of building a harmonious society, this paper proposes measures and countermeasures taken by two main objects to promote the educational equity. Finally, the article proposes some ideas to solve educational equity in the future.