"Wind and rain moisten peaches and plums, and black and white paint the spring and autumn period" is an idiom, which means "Wind and rain moisten peaches and plums, and black and white painting depicts the history of the spring and autumn period", which is used to describe the importance of wind and rain moistening and historical description. The part of this idiom "Rainy Peach and Plum" vividly compares the peach and plum trees that have experienced the baptism of wind and rain. They are not only deeply rooted, but also flourishing, implying that experience in adversity can make people stronger. "Spring and Autumn Black and White Painting" refers to the description and record of history. Although the way of black and white painting is simple, it can clearly show the essence and significance of historical events, implying the importance of simplicity.