Before the fifteenth day of the first month, lanterns were hung all over the street, flowers were everywhere, and lights were swaying, reaching a climax on the fifteenth night of the first month. Solve riddles on the lanterns: solve riddles on the lanterns, also known as playing riddles, is a unique form of Han folk cultural activities with rich national style in China. It is a characteristic activity of the Lantern Festival that has been circulating since ancient times. Eat Yuanxiao. Eating Yuanxiao on the fifteenth day of the first month, as a food, has a long history in China. In the Song Dynasty, a novel food for the Lantern Festival was popular among the people. This kind of food was first called Yuanzi, then Yuanxiao, and businessmen also called it Yuanbao. Yuanxiao, or sweet dumplings, is made of white sugar, rose, sesame, red bean paste, yellow cinnamon, walnut kernel, nuts and jujube paste, and wrapped in glutinous rice flour into a round shape, which can be vegetarian and has different flavors. It can be boiled in soup, fried and steamed, which means a happy reunion. Shaanxi dumplings are not wrapped, but rolled in glutinous rice flour, or boiled or fried, hot and round.