Raspberry, also known as raspberry, March bubble, April bubble, mountain throw, thorn gourd, raspberry, steamed bread bubble, high foot bubble, dragon boat bubble, milk bubble, thorn bubble, raspberry and so on. It is called Miaopao in the north-central part of Chongqing. It is a deciduous or semi-deciduous shrub of Rubus in Rosaceae. Height 1-2m, branchlets reddish brown with thorns, young branches greenish, hairy and spiny. Leaves ovate or ovate-lanceolate, 3.5-9 cm long and 2-4.5 cm wide, tapering at the top, rounded or slightly heart-shaped at the base, undivided or sometimes 3-lobed, with irregular double serrations on the edge, pilose on both sides and fine barbs on the dorsal vein; Petiole is about 1.5 cm long, with soft hair and fine spines; Stipules linear, base adnate to petiole. Flowers white, about 2 cm in diameter, usually solitary on short branches; Sepals ovate-lanceolate, pilose, persistent. Aggregate fruit is spherical, with a diameter of 1- 1.2 cm, and is red when it is mature. The flowering period is April-May and the fruiting period is May-June. Widely distributed, growing in sunny slopes, streams, roadsides, valleys, wasteland, grass and bushes at an altitude of 300- 1500m. Raspberry fruit contains organic acids and can be eaten when it is ripe. Roots, stems, leaves and fruits can all be used as medicine, and the root tastes slightly bitter, pungent and flat, and has the effects of expelling wind and removing dampness, promoting blood circulation and removing blood stasis, detoxifying and healing sores, and is mainly used for treating rheumatism, lumbago, dysentery, nocturnal emission, snake bite, amenorrhea, dysmenorrhea, eczema and malnutrition.