It means that if you break a new willow tree and wear it on your head during the Qingming Festival, it can keep you young.
Beauty: Originally refers to a beautiful woman, but here it refers to a young person. Haoshou: old man with white hair.
Source: Ming Dynasty Tian Rucheng's "Xi Dynasty Joys": "The two days before the Qingming Festival are called cold food. People put willows all over the eaves. They are green and cute, and men and women also wear them. The proverb goes: 'Don't wear them during the Qingming Festival. Willows, beauty makes a bright head.”Extended information
Qingming Festival customs: Willow planting
Qingming Festival is the time when willows sprout and turn green. Folks have the custom of breaking willows, wearing willows, and inserting willows. custom. When people go out for an outing, they break off a few willow sticks. They can hold them in their hands and play with them, or they can make them into hats and wear them on their heads. They can also take them home and insert them on the lintels and eaves of the house.
There are proverbs such as "If you don't wear a willow during the Qingming Festival, a beauty will become a bright head" and "If you don't wear a willow during the Qingming Festival, you will turn into a yellow dog after death", which shows that folding willows during the Qingming Festival was a very common custom in the old days. It is said that willow branches have the function of warding off evil spirits, so wearing willows is not only a fashionable decoration, but also has the effect of praying for blessings and warding off evil spirits. Planting willows during the Qingming Festival may also be related to the custom of begging for new fires with willow branches during the Cold Food Festival in the past.
The custom of planting willows and trees during the Qingming Festival is said to commemorate Shennong who invented various agricultural production tools and once "tasted hundreds of herbs"; another theory is that the willow tree that Jie Zitui was holding when he died later came back to life. Duke Wen of Jin named it Qingming Willow, and he folded the willow into a circle and wore it on his head. This custom was later spread to the people. Although they have different origins of allusions, these customs are still inseparable from people's joy at the return of spring to the earth.
Baidu Encyclopedia - Do not wear willow during the Qingming Festival, a beauty will become a bright head