Red raspberry professional name bilberry (scientific name: Rubus corchorifolius) for the Rosaceae genus of plants. Distributed in Japan, Vietnam, North Korea, Myanmar and mainland China, Gansu, Tibet, Northeast, Qinghai, Xinjiang and other places, growing at an altitude of 200 meters to 2,200 meters in the region, mostly born in the sunny slopes, valleys, wasteland, streams and dense thickets in the wet place, has not yet been artificially introduced by cultivation. It has the efficacy of astringent essence to benefit the kidneys, assisting Yang and brightening the eyes, sobering up wine and quenching thirst, resolving phlegm and removing toxins, and is mainly used for treating kidney deficiency, spermatorrhea, drunkenness, and dengtoxin. Leaf is slightly bitter, with heat and pharyngeal, detoxification, swelling, astringent sores and other effects, the main treatment for sore throat, multiple abscesses, mastitis and other diseases, in western Hunan Xiangxi region, the masses will often be young leaves crushed and fed to animals to treat diarrhea.