Qihe Town, Gucheng District, Lijiang City. Dark red roses are rich in vitamins A, C, B, E and K, as well as anthocyanins and tannins. Anthocyanin is an important element of anti-oxidation and anti-aging, and tannic acid is an effective substance to prevent cardiovascular diseases. The edible efficacy of roses has been recorded in major medical books since ancient times, and the ancients have long formed the habit of eating roses for health preservation. Long-term consumption of roses is helpful to soothe the liver, relieve depression, promote qi and blood circulation, beauty beauty.