Douyin Store does have a mattress category. You can find the home furnishings category in the product classification of Douyin Store, which includes subcategories such as mattresses, bedding, and home furnishings. Sellers can choose appropriate categories to list their products based on the characteristics of their products.

It should be noted that Douyin Store has strict requirements on product quality and compliance in the mattress category. When opening a Douyin Store and selling mattress products, please ensure that the products comply with relevant national laws and regulations and standards to avoid quality problems. At the same time, reasonable pricing, high-quality product descriptions, and attractive product titles can also increase the sales potential of products.