Bitter rose is one of the four major rose strains in China, which has the characteristics of drought resistance, cold resistance, less pests and diseases, vigorous growth, high flower yield, deep red color, rich aroma, pure meat quality, high oil yield and excellent essential oil quality. It has been planted in Yongdeng Bitter Rose for more than 200 years, and was identified as the city flower of Lanzhou in 1980s. In recent years, Yongdeng County has held international tourism activities with the theme of "Hometown of Roses" in sing the chinese, creating a romantic rose capital, and vigorously promoting the pace of "Eleventh Development" of the rose industry. The bitter rose industry continues to grow, becoming the main channel to increase farmers' income in Yongdeng and even the whole city. 20 12 Lanzhou Rose Festival, the hometown of roses in China, and Lanzhou Cultural Tourism Festival in China were successfully held. This art festival highlights the theme of "The Marriage of Roses, Romantic Journey", and holds colorful activities such as worshipping the open-air Buddha, watching Danxia landform, enjoying beautiful flowers, appreciating intangible cultural heritage exhibitions, reading local culture and tasting farm dishes. The intangible cultural heritage exhibition will be held from May 18 to 25 in the cultural square of Kushuijie Village, Kushui Town. The photo exhibition of "Charm and vitality of bitter water" will be held from May 16 to 18 in Kushuijie Village, Kushui Town, and "Happy Farm, Leave Beautiful Fragrance in Your Hands" will be held from May 23 to June 25. On May 20-23, a two-day bicycle tour was held in Kushui Town. On May 1-25, a prize-winning collection of rose poems and songs was held in Kushui Town. On June 5, a street dance performance for college students was held in the cultural square of Kushui Street Village in Kushui Town. On June 12, a Yongdeng Rose Industry Development Science and Technology Forum and "Bitter Water Rose" were held.

The city flower of Lanzhou is bitter water rose, which is a place name. The roses from bitter water and aquatic products are the best roses in China, so they are called bitter water roses. Bitter water is in Lanzhou, Gansu, where there is the largest rose production base in China, and most of the rose oil in China is produced here. Kushuijie Village is one of the top ten most beautiful villages in Lanzhou, and it is also an intangible cultural village. The stilts here are famous at home and abroad.