Rubus, also known as March Bubble, is widely distributed in other provinces, cities and autonomous regions except Inner Mongolia, Xinjiang and Tibet, and grows in sunny hillsides, streams, valleys, wasteland and bushes at an altitude of 3 ~ 15m. The roots, stems, leaves and fruits of raspberry can be used as medicine, and the root taste is slightly bitter, pungent and flat. It has the effects of expelling wind and removing dampness, promoting blood circulation to remove blood stasis, detoxifying and healing sores, and is mainly used to treat rheumatism, lumbago, dysentery, nocturnal emission, snake bite, amenorrhea, dysmenorrhea, eczema and infantile malnutrition. It is a common folk medicine of Miao nationality.