Eating glutinous rice balls in Lantern Festival not only means celebrating family reunion, but also has the health-preserving effects of keeping out the cold, nourishing the spleen and stomach and benefiting the lung qi. The material of jiaozi for Lantern Festival is mainly glutinous rice. "Compendium of Materia Medica" points out that glutinous rice is a valley for nourishing the spleen and stomach, benefiting the lungs and benefiting qi. Glutinous rice is sweet and warm, which can nourish human blood and spleen and stomach after eating.

The coldest winter is March 9, although it has passed now, the weather is warm and cold, and stomach gas is most likely to be lost in cold days. The ancients packed zongzi on the fifteenth day of the first lunar month. Besides sticky rice, zongzi is easy to cook and won't come loose, but also because glutinous rice has the characteristics of keeping out the cold.

Eating zongzi on the Lantern Festival warms the spleen and stomach, and people's breath will become quite smooth, so that the whole body will be hot and play a role in keeping out the cold, especially those with spleen and stomach deficiency. In addition, glutinous rice also contains protein, calcium, phosphorus, iron, nicotinic acid and other rich nutrients, so it can be said that glutinous rice dumplings are warm and strong food.