Why should children bring colorful sachets during the Dragon Boat Festival?

In ancient times, people were superstitious that the Dragon Boat Festival was the most unlucky and poisonous day of the year. Therefore, during the Dragon Boat Festival, every household should tie colorful ropes on their children's wrists, that is, ropes woven with five colors of red, yellow, blue, green and purple to ward off evil spirits and turn evil into good fortune. Hanging sachets has the same meaning. In ancient times, sachets, also known as sachets, sachets and purses, were sewn with colorful rags and colorful silk threads. They are filled with all kinds of spices and worn on children's chests. They are not only beautiful and generous, but also have the effect of repelling mosquitoes and the beautiful meaning of praying for well-being.