According to the taste formula, the three major rose producing areas in China are Pingyin and Dingtao in Gansu, and pingyin rose is one of the local specialties and a national geographical indication product. Pingyin is sunny, with four distinct seasons, dry in spring and rainy in summer, and the humidity is 55-70. There are more than 20,000 mu of roses in huang dian zhen, Dingtao City, with an annual output of 5 million tons and 30 deep processing enterprises, and it is known as the first town of roses in China.