The red river lanterns have a very long history of use in the folk. As early as the 1930s, the Miao Chinese medicine practitioners used the red river lamp and the whole plant to treat stroke and hemiplegia. It was passed down as a myth in the folk. In the minority areas of Honghe Prefecture, people used to use wild scented flowers to scramble eggs or boiled egg soup. Some of them used hot red flowers to make soup and hot eyes. In order to facilitate the utilization of the red river lamp scented plant resources, the ancestors used simple methods to transplant the wild red river lamp buds to their homes in front of the house or in the garden, so that they can be used to directly brew the offspring tea. Legend has it that it can prevent and treat heart disease and eye disease in the elderly. Called heart disease and glaucoma in modern medicine.