Cumin (scientific name: Cuminum cyminum? L.), also known as cumin, cumin and fennel in southern Xinjiang. It is an annual or biennial herb of Umbelliferae and Cuminum with a height of 20~40cm. The whole plant (except the fruit) is smooth and hairless, with pink or white petals, rectangular, flowering in April and bearing fruit in May.

Cumin is rich in essential oil and has a strong aroma. It is considered as the second most important spice crop in the world after pepper. Cumin also has many medicinal properties, such as regulating qi, stimulating appetite, dispelling cold and removing dampness, and also has anti-allergic, anti-oxidation, anti-platelet aggregation and hypoglycemic effects, so it has been widely concerned by scholars at home and abroad.

Cumin has strong adaptability, drought tolerance and fear of waterlogging, and is not strict with soil requirements. Generally, sandy loam with good water permeability and drainage should be selected for planting. Wheat, corn, bean stubble, green manure field or vegetable field are suitable for the previous stubble, which requires high fertility, deep soil layer, flat terrain and convenient irrigation and drainage.