The origin of the Lahai Festival is also very interesting. It is said that Emperor Qin Shi Huang unified the Central Plains in that year, and was so happy that he personally set this date, and renamed December every year as "Lahai". The word "La" officially appeared only in the Han Dynasty. On the Lahai Festival, the ancients or often poetry on this, the following is a few poems about Lahai:

1. "Lahai evening step" Song Dynasty - Zhang Lei

Happy to feel the sun and near, the mountain garden zhang zhang line. The grass should know that the ground is warm, and the willows want to be light to the people. The snow is still there in the spring, and the songbirds are reporting the morning sunshine. I'm not sure if I'm going to be able to do that, but I'm going to be able to do it, and I'm going to be able to do it.

2. "The night of the eighth day and night straight" Qing Dynasty - Zeng Guofan

Turning from the official residence to get free time, the fairy tucked deep in the day to cover the curtains. The book is easy to read to the ancients, and the wine can be held in the cold today. Thick_said to offer the Buddha in the palace, the clear snow to see the points in the forbidden courtyard. At sunset outside the Wuying Gate, and the appendix of the ice and willow withered hanging.