Black Pi Nuo is a grape variety, which is mainly used for brewing red wine. This is a very noble grape variety, which is difficult to cultivate. It requires extremely high growth environment, belongs to middle and high-grade red wine, and prefers mountainous areas with cool climate and good drainage. Black Pi Nuo planted on limestone soil has the best quality. The color of black Pi Nuo wine is deep red, sometimes with purple or garnet red. Its taste is smooth, with low tannin content, accompanied by soft fruit aroma and subtle complex flavor, such as earth, chocolate or vanilla. The flavor varies with the planting place and year, showing the aroma of red fruit, accompanied by the smell of wet soil, snow, mushrooms and chocolate.