202 1 introduction of long summer solar terms.

The solar term 1 and the long summer were established at the end of the Warring States period (239 years before). Long summer is the seventh of the 24 solar terms and the first in summer. Long summer indicates the change of seasons and the official start of midsummer season. When the sun reaches 45 degrees of the yellow meridian, it is a long summer, usually on May 5 or 6 of the Gregorian calendar every year. After the long summer, the temperature in southern China rose rapidly, and the rainfall and days of rainfall increased significantly.

2. "Summer" in long summer means "big", which means that plants sown in spring have grown upright. When the temperature rises obviously, the summer heat comes, thunderstorms increase and crops enter the peak season, people are used to taking long summer as an important solar term. There are three times in the long summer, the first time is the sound of insects, the second time is the appearance of earthworms, and the third time is the birth of melons. The main customs are welcoming the summer ceremony, tasting new things, playing egg games, and "weighing people" in the long summer.

3. Entering the long summer, people's metabolism is accelerated, and the blood supply to the heart and brain is insufficient, which often makes people fidgety, tired and lazy. It is necessary to arrange work and rest time reasonably, supplement nutrition and adopt correct health care methods.