Lingwu city, Ningxia is located in the middle of Ningxia, with an altitude of1250m, which belongs to a typical continental monsoon climate. Its characteristics are: late spring and early autumn, four distinct seasons, abundant sunshine, abundant heat, strong evaporation, dry climate, more sunny days and less rain and thunder. The annual sunshine hours are 3080.2 hours, the average frost-free period is 157 days, the plant growth period is 170 days, the annual average is ≥ 10℃, and the annual average temperature is 8. Changzao base is located in Dongta Town, He Lin Town and Haojiaqiao Town. The soil is sandy loam, deep and fertile. Irrigated by the Yellow River, it is rich in water resources. Lingwu jujube is a unique local variety with unique conditions.