On the day of the summer solstice, Northeastern people eat noodles and dumplings. As early as in ancient times, people believed that eating hot noodles could drive away evil spirits, make people less prone to disasters, and keep them healthy. Therefore, eating noodles has always been an old tradition for Northeastern people during the summer solstice, and this custom is still passed down to this day. Summer Solstice is also an important traditional folk festival - "Summer Solstice Festival". There are folk customs such as offering sacrifices to gods and ancestors, spending the summer in hiding, and eating noodles and rice dumplings.

Summer Solstice was also called "Summer Festival" and "Summer Solstice Festival" in ancient times. In the seventh century BC, ancestors used Tugui to measure the shadow of the sun and determined the summer solstice. The summer solstice is the earliest identified solar term among the twenty-four solar terms.

The summer solstice is the earliest festival in China. Before the Qing Dynasty, the whole country had a day off on the summer solstice, where people could go home and have a drink with their loved ones. Today, there are different customs for the Summer Solstice in different regions of China. For example, in northwest China such as Shaanxi, rice dumplings are eaten during the summer solstice, and chrysanthemums are used as ashes to protect wheat from insect pests.

In the south, people are weighed on this day to check whether they are fat or thin. Farmers roll the dough into pancakes, bake them, and stuff them with vegetables, bean pods, tofu and bacon. They are eaten after worshiping ancestors or given to relatives and friends. In some areas, it is customary for underage nephews and nieces to have dinner at their parents' home during the Summer Solstice.