The beginning of autumn means the beginning of autumn. With the arrival of the harvest season, the changes in autumn are most obvious. The leaves of vegetation change from lush green to yellow, leaves begin to fall, and crops begin to mature.

The beginning of autumn symbolizes the beginning of the growth of all things from lush growth to bleak maturity. When the beginning of autumn exists, the yang gradually closes and the yin gradually grows. After the beginning of autumn, there will be rain, storm, humidity, etc. It is at a turning point in the year and tends to decline or decrease. In nature, the yin and yang energy begins to change, and everything sinks with the yang, thus beginning to move from prosperity to maturity.

The Beginning of Autumn solar term is the thirteenth solar term among the twenty-four solar terms and the first solar term in autumn. It marks the official beginning of the autumn dream season: "Autumn" means the turn from hot summer to cold. When we arrive at the beginning of autumn, the sycamore trees begin to lose their leaves, so there is an idiom, "falling leaves tell us about autumn." Literally, the word "Autumn" consists of the two characters "Wo" and "Huo", which means the grain is ripe. Autumn is the transition season when the weather turns from hot to cold, and then from cold to cold, but the beginning of autumn does not mean that autumn has arrived.