By way of comparison, this paper describes the different understanding of the beauty of desert roses between "we" and our neighbors. We praise the desert rose because we have witnessed its tenacious vitality; It is difficult for neighbors to associate it with beauty, because neighbors are isolated when they know things, so they don't appreciate the beauty of "desert roses". Therefore, it is very important to understand the occurrence and development of a thing for a comprehensive understanding of it. The text tells us to learn to look at problems historically.