China's "Bitter Rose" belongs to Rosaceae. It grows in the world-famous "China Rose Town" on the Zhuanglang River in the upper reaches of the Yellow River at an altitude of 1,65 meters, and is a rare plateau natural rose variety in the world. Because of its high altitude, abundant sunshine and large temperature difference between day and night, Bitter Rose has high organic matter content, especially vitamin C. Processing should be carried out within 2 hours after picking. The essential oil was extracted by boiling distillation. The rose essential oil is also known as "liquid gold", which has been protected by the "mark of origin" of AQSIQ and the "certificate of origin trademark" of the State Administration for Industry and Commerce.

As we all know, "selenium" is one of the essential trace elements for human body, which can effectively enhance human immunity, protect the heart and liver, effectively resist aging and prevent Keshan disease and Kaschin-Beck disease, and is known as "the seed of life", "the patron saint of heart", "the protective factor of liver" and "the king of anti-cancer". Two-thirds of China's territory is internationally recognized as a selenium-deficient area, and the selenium intake of about 7 million people in China has been seriously insufficient for a long time. Yu Ruomu, a nutrition expert, once called for "doing a good job of selenium supplementation for the whole people like iodine supplementation". Kushui Town belongs to the selenium-enriched area in high alkali environment, and it is a typical production advantage area of natural selenium-enriched agricultural products. The local soil selenium content is between .176 and .431 mg/kg, with an average of .177mg/kg, which is at the middle level in China. The measured value of soil pH is mainly between 8 and 9, which belongs to the selenium-enriched area in high alkaline environment. In June 29, the Key Laboratory of Selenium and Human Health, Suzhou Research Institute, University of Science and Technology of China, randomly sampled the selenium content of some typical soils and agricultural products in Lanzhou. Six of the 14 soil samples sampled reached the selenium-enriched standard, and four samples approached the selenium-enriched standard. Among the three agricultural products sampled, the selenium content in the dried bud of Bitter Rose is equivalent to that of the famous selenium-enriched green tea in China.

The main medicinal parts of Bitter Water Rose are flowers and roots. Rose flowers contain about .3% volatile oil (rose oil), and the main components are citronellol, nerol, eugenol and phenylethanol. According to a large number of documents such as "Chinese People's Pharmacopoeia", roses are warm, sweet and slightly bitter, non-toxic, and have the effects of regulating qi and relieving depression, softening liver and invigorating spleen, promoting blood circulation and removing blood stasis, relieving summer heat and quenching thirst, stopping bleeding and astringing. It can be used for treating liver-stomach qi pain, persistent wind arthralgia, hematemesis and hemoptysis, irregular menstruation, leucorrhea with red and white discharge, dysentery, breast pain, swelling and pain, etc. According to modern pharmacological research, the natural rose essential oil extracted from rose has strong analgesic effect, can promote bile secretion, and has inhibitory effects on Staphylococcus aureus, Salmonella typhi and Mycobacterium tuberculosis. The function of antioxidation. It can also treat stomach diseases, balance female hormones and some skin diseases, and play an anti-wrinkle and whitening role on the skin. "Materia Medica Justice" of roses claims that "the fragrance is the strongest, clear but not turbid, harmonious but not fierce, soothing the liver and waking up the stomach, flowing qi and activating blood, promoting communication and stifling stagnation without the disadvantages of pungent, warm and dry, and among the drugs, the most effective and docile ones are almost unparalleled in fragrance". This design and color can invigorate the blood, and the fragrance can promote qi. "Compendium": "Treat liver and stomach gas pain, and use roses (dry in the shade) to make soup instead of tea clothes"; "Hundred Herbs Mirror": "At the beginning of treating swollen poison, roses are stripped of their hearts and baked as the last money, good wine and kimono". Because this product has the effect of regulating both qi and blood.