They are all based on what they saw and heard during their travels. So the content is very similar.

Moreover, both The Context of China and Looking for China focus on China's cultural relics, with the same perspective, and naturally there are many similarities.

Context of China is the most important work of Professor Yu after the Cultural Journey, and it is also one of the most important works in the field of contemporary literature and history in China. Professor Yu lamented that "the veins are hidden, and the hills are called peaks; The healthy wings are far away, and the residual feathers are called Peng. So use this major pioneering work to remind and make up for it.

Searching for China systematically expresses the cultural history of China that the author sought step by step from the disaster period. The starting point of any real history is always piles of data, and the end point is the feelings of several generations. This is the cultural history of China in one's mind. All the articles in the book, except one, have not appeared in previously published books.