This means that the weather is fine, the earth is warming, and birds such as swallows are flying back along the spring breeze.

As the saying goes, spring breeze is warm, which shows that spring breeze is the precursor and necessity of the earth's recovery.

Spring, the first of the four seasons, refers to the period from beginning of spring to long summer, including solar terms such as beginning of spring, rain, fright, vernal equinox, Qingming and Grain Rain. Spring represents warmth and growth. In spring, the qi of yin and yang begins to change, and everything germinates with the rise of yang.

Agricultural impact:

Spring grows in summer, autumn harvests in winter, and spring is the growing season. For farmers, spring is the season to sow crops. This is also the season when "spring rain is more expensive than oil", and spring rain also has an impact on crops.

Health care:

The weather changes in spring are the most capricious, which causes people to have various discomfort symptoms and suffer from various diseases. Therefore, spring is also the season of "a hundred herbs sprout and all diseases break out", so we should pay attention to health.