Nowadays educational equity constitutes a fundamental component of social fairness, and technology is deemed a vital means for mitigating educational inequalities. This article is a survey of China's experiments in harnessing modern technologies to promote equity in education. This study, after giving a summary of common conceptions of educational equity in researchers, focuses on reviewing China's endeavors to leverage technology to close disparities in education, including introducing high-quality educational resources into underdeveloped regions through information technology; developing distance education models; providing customized teacher training and specialized vocational education; and using smart teaching platforms to supply personalized learning opportunities to underprivileged groups. Also discussed are the challenges of the application of educational technology, such as inadequate digital competence in teachers and students, widening digital divides, quality gaps in educational resources, and ethical issues in technology use. The article concludes with moves proposed for addressing these issues.