Student engagement in online education has been an issue for global educators. This literature review briefly touched upon the definition of Differentiated Instruction in both the West and China, shedding light on learning styles and how Chinese students' learning styles are categorized. Then the article went further to introduce student engagement and the educational practices that the West and Chinese scholars suggested to increase student engagement. Lastly, based on research findings, the article concluded that the idea to incorporate numerous learning apps during online education is a good way of DI to increase student engagement in the West and China.