the scientific name of bathing flower is mirabilis jalapa. Mirabilis jalapa has small purple flowers in summer and autumn with oval or heart-shaped leaves, which are opposite. The flowers are fragrant, clustered on the involucre, open from evening to early morning, fragrant at dusk, and United in the hot sun. Calyx is petal-shaped and trumpet-shaped. The fruit is oval and black, and its surface is wrinkled and angular, so it has the nickname of "small mine". It can be planted in front of the house, behind the house, beside the fence and sparse forest, and it will give off a strong fragrance at dusk. Cluster planting or patch planting in the garden green space, or dotted in the courtyard of residential quarters. Besides ornamental, the roots, leaves and flowers of Mirabilis jalapa can be used as medicine to treat diarrhea. Leaves and endosperm can be used to make cosmetic powder (it is also called official powder flower because the seeds and embryos can be dried and ground to make cosmetic powder). The medical functions of Mirabilis jalapa are: diuresis, purging heat, promoting blood circulation and removing blood stasis; It can be used for treating stranguria, leucorrhea, erythema, tuberculosis, hematemesis, carbuncle, back pain, acute arthritis, scabies, and grape sore.