Feel with your heart. Reading and analyzing historical materials in the process of reading can truly feel the pulse of history, return to the lost historical situation and realize the historization of life. When reading history books, if you can read them attentively, you can feel the pulse and temperature of history. With the rapid development of social economy, science and technology in China and the progress of the times, the temperature in China keeps rising. The temperature in China is not abstract, but concrete and perceptible.