The solar term Lixia has been established since the end of the Warring States Period. It heralds the change of seasons and is the beginning of summer among the four seasons of the year. According to climatological standards, summer begins when the five-day average temperature reaches 22°C. In the middle and lower reaches of the Yellow River, the temperature in the Beginning of Summer is roughly close to the climatological standard, and this area is the origin of the twenty-four solar terms.

In the Beginning of Summer, everything flourishes. It is written in the Ming Dynasty's book "The Eight Lotuses": "On the day of Mengxia, heaven and earth begin to meet, and all things are in harmony." At this time, the summer harvest crops have entered the late growth stage, the winter wheat has bloomed and filled, and the rapeseed is close to maturity, and the summer harvest crop season is basically set. , so there is a saying in the farmer's proverb "Watch the summer at the beginning of summer". According to records, during the Zhou Dynasty, on the day of the Beginning of Summer, the emperor would personally lead hundreds of civil and military officials to the suburbs to "welcome summer" and instruct Situ and other officials to go to various places to encourage farmers to work hard. The old custom of establishing summer is also a traditional folk festival, called "Lixia Festival."

In ancient times, our country attached great importance to the Lixia solar term. According to records, during the Zhou Dynasty, on the day of the Beginning of Summer, the emperor personally led hundreds of civil and military officials to the suburbs to "welcome summer" and ordered Situ and other officials to go to various places to encourage farmers to work hard.

The "Xia" in "Lixia" means "big", which means that the plants sown in spring have grown upright. On a deeper level, the twenty-four solar terms reflect the changes in "Qi" in the four seasons. The changes in Qi are related to the changes in natural rhythms. The Yang Qi in the Beginning of Summer gradually grows, and all things thrive as the Yang Qi rises. In ancient times, people attached great importance to the etiquette and customs of the Beginning of Summer. On the day of the Beginning of Summer, people in ancient times held summer welcoming ceremonies.