The category should be selected according to the main attributes of the product. Because choosing the right category can make it easier for consumers to find products, and it can also allow related platforms and search engines to better recommend products. For Douyin group purchase, the category should be selected according to the main attributes of the product, such as clothing for clothing and food for food. In addition, you should also pay attention to filling in accurate keywords and descriptions, and describe the characteristics and advantages of the product in detail in the product introduction to attract more consumers' attention.