1. Eating flower cakes, because the weather is getting colder and the trees and flowers are about to wither, so people call this "Quiqing". When climbing high, you also eat flower cakes. Because "gao" and "cake" are homophonic, the cakes for this festival are called "Chongyang Flower Cake", which means "rising higher and higher step by step". Flower cakes mainly include "rough flower cake", "fine flower cake" and "money flower cake". Stick some coriander leaves as a symbol, and sandwich dried fruits such as green fruits, dates, and walnut kernels in the middle: the fine flower cake has 3 or 2 layers, and each layer is sandwiched with finer candied dried fruits, such as preserved apples and peaches. Preserved fruits, preserved apricots, black dates, etc.; Money Flower Cake and Fine Flower Cake are basically the same. But they are small, like "money", and are mostly food for nobles in upper-class mansions.

2. Viewing red leaves. Going to Xiangshan to enjoy red leaves during the cold dew season has long become a traditional habit of Beijing citizens and the highlight of autumn travel. The autumn wind rustles, and the yellow leaves are red. The continuous cooling after the cold dew has made the maple leaves in the capital red. In the golden autumn, the forests in the Fragrant Mountain are all dyed, and the red leaves all over the mountain are like clouds and brocade, which is as picturesque as a poem.

3. Drinking chrysanthemum wine. The cold dew is close to the Double Ninth Festival. At this time, chrysanthemums are in full bloom. In order to eliminate the autumn dryness, there is a custom of drinking "chrysanthemum wine" in some areas. This custom has gradually moved along with climbing. To the Double Ninth Festival. Chrysanthemum wine is brewed from chrysanthemums, glutinous rice and distiller's yeast. It was called "longevity wine" in ancient times. It has a cool and sweet taste and has the functions of nourishing the liver, improving eyesight, strengthening the brain, and delaying aging.

4. Climbing. As we all know, the custom of climbing during the Double Ninth Festival has been around for a long time. Since the Double Ninth Festival falls around the Cold Dew solar term, and the pleasant climate of the Cold Dew solar term is very suitable for mountain climbing, the custom of climbing during the Double Ninth Festival has gradually become a custom of the Cold Dew solar term. Climbing high means "rising higher step by step" and "longevity". In ancient times, the purpose of climbing was to avoid disaster.

5. Eat sesame seeds, cold dew arrives, and the weather turns from cool to cold. According to the traditional Chinese medicine theory of "nourishing yang in spring and summer, and nourishing yin in autumn and winter". At this time, people should nourish yin to prevent dryness, moisten the lungs and benefit the stomach. As a result, there is a folk custom of "eating sesame seeds in the cold dew". In Beijing, sesame-related foods have become popular before and after the cold dew, such as sesame cakes, sesame mung bean cakes, sesame sesame cakes, etc.

6. Cricket fighting is popular in Beijing. White dew, autumnal equinox and cold dew are the climax of cricket fighting among old Beijingers. Crickets are also called "weavers". Generally speaking, hearing crickets chirping means the beginning of autumn, and the weather is getting colder, reminding people to prepare clothes for the winter. Therefore, there is a saying that "weavers are frightened when they chirp." According to records, cricket fighting began during the Tianbao period of the Tang Dynasty. Jia Sidao, the powerful prime minister of the Southern Song Dynasty, "played a lot when he was young but had no business." After he came to power, he especially liked the show of promoting weaving, and even wrote a book "Promoting Weaving Sutra". Emperor Xuande of the Ming Dynasty also loved to fight with crickets, so that the price of a good cricket was tens of gold. The higher the price, the lower the price. Beijingers playing with crickets probably also started in the Ming Dynasty.