"Dragon raises its head" is another name for "February 2". Its auspicious meaning comes with changes in celestial phenomena and climate, as well as corresponding festivals and customs. As mentioned above, because the "Spica" of the Eastern Canglong's first abode "rises", its period is between the Waking of Insects and the Spring Equinox, which means that the dragon will be responsible for moving clouds and raining, which will trigger the recovery of all things, and the smooth farming will continue. A prosperous year.

Since the mid-Tang Dynasty, people have not only gone out for an outing on the day of "Dragon Shovel", but also picked wild vegetables at this time. "Qin Zhongyouji" records: "(Chang'an) Qujiang is picking vegetables, and scholars and people are at a peak of tourism." .

The "dragon cartoons" of the late Tang Dynasty and later were endowed with the beautiful meaning of "welcoming the rich" and "sending the poor" while picking wild vegetables. During the Northern Song Dynasty, a food called "Yingweiguizhi" appeared, and people ate this food to pray for wealth and prosperity.