Reading is an important means for human beings to acquire knowledge and culture and continue civilization. With the rapid development of technology，material and thought，the reading subject，reading carrier and reading media have also changed，which has triggered the paradigm evolution of reading methods. In the era of traditional paper reading，we advocate“close reading”word by word，supplemented by the “extensive reading” method of overview，but in the era of screen reading，with the rapid development of computing technology，the“distant reading” method of big data reading has unconsciously affected the reading life of the public. This article intends to sort out and discuss the relationship and connotation of close reading，extensive reading and distant reading，trying to reveal the internal logic of the generation and evolution of reading paradigm，and how to rationally respond to the era change of reading methods in the context of digital humanities.