2. The material of glutinous rice dumplings is mainly glutinous rice. "Compendium of Materia Medica" points out that glutinous rice is a valley for nourishing the spleen and stomach and benefiting the lungs. 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.
3. The ancients wrapped zongzi on the fifteenth day of the first month during the Lantern Festival. Tangyuan is not only sticky glutinous rice, but also easy to cook and will not spread out, and because glutinous rice has the characteristics of keeping out the cold.
4. Eating zongzi on the Lantern Festival will warm the spleen and stomach, and people's breath will become quite smooth, which will make the whole body warm and play a role in keeping out the cold, especially suitable for those with spleen and stomach deficiency.
5. Glutinous rice is rich in nutrients such as protein, calcium, phosphorus, iron and nicotinic acid. It can be said that zongzi is a kind of warm food.