The Qingming Festival falls around April 5 on the Gregorian calendar every year.

Chingming means clear air and bright landscape. It is a festival that reflects the changes in the natural world. The sun shines brightly at this time of the year, the grass and trees are budding, the air is clear and the scenery is bright, and everything is visible, so the natural world presents a vibrant scene. By the time of Qingming, in the southern part of China has been the climate fresh and warm, the earth presents the image of spring and scenery; in the northern part of the region also began to break the snow, gradually entering the sunny spring.

Ching Ming ancestor festival period is very long, there are 10 days before and after the 8th and 10 days before and after the Qingming two kinds of statements, which nearly 20 days are within the Qingming ancestor festival period.

The Qingming Festival is the Chinese nation's spring festival, and the Qingming Spring Festival corresponds to the Chrysanthemum Autumn Festival, Spring and Autumn Festival, ancient. Qingming Festival has a long history, it changes with the development of the times, followed by the gradual integration of the cold food festival and the customs of the festival. Ancient China's customs in the north and south are different, before the Tang Dynasty, China's northern on the grave cleaning is mainly in the Cold Food Festival and Cold Clothes Festival.

From the "Rites of Passage" and other documentary records, before the Tang Dynasty, China's northern and no Qingming Festival on the tomb sweeping routine, to the Tang Dynasty when the Qingming Festival on the tomb sweeping has become the trend. The Tang Dynasty was the period of fusion of the customs of tomb sacrifice in the north and south of China, and the customs of tomb sacrifice were inherited from the Qingming Festival and expanded to all parts of the country. After the Tang Dynasty, the Cold Food Festival gradually declined because of the similarity with the date of Qingming Festival. In the Song and Yuan Dynasties, the Qingming Festival in all parts of the country, and the fusion of the Cold Food Festival ban on fire, cold food and other customary content.