In recent years, China's education has developed rapidly, but inequality still exists. In the Chinese context, educational technology and educational inequality are often discussed and studied together. Through literature review, this paper briefly summarizes the advantages and problems that need to be solved in the process of bridging the education gap of educational technology and puts forward the idea of promoting strengths and avoiding weaknesses from micro, meso and macro levels. Finally, it is concluded that using AI and other educational technologies as tools and focusing on learners' own knowledge, ability and literacy is the key to alleviating educational inequality.