Bayannur City in Inner Mongolia is an important sunflower seed planting base in China. Located in the "golden planting belt" for crops at 40 degrees north latitude, it has an average annual sunflower planting area of more than 4 million mu. Here, green planting technologies such as expanding row spacing and reducing density, and film - covered furrow and ridge planting are adopted, and crop rotation is carried out. A quality traceability system is also established to ensure the safety and controllability of raw materials. The sunflower seeds produced are plump and of excellent quality, and are healthy and green leisure delicacies.