Bedding is an important part of home textiles. According to the classification of China National Textile Association, it includes: bedding, curtains, washing and kitchen textiles, furniture textiles (cushions, seat cushions), etc. Among them, the bedding category occupies the first place in the home textile industry, and the output value accounts for more than one-third of China's textile industry. In 2004, it reached 100 billion yuan; in 2006, the output value was about 250 billion yuan, including bed sheets, quilts, pillows and other products. In China, the bedding industry is also called the bedding industry, or the bedding industry, the bedding industry and the interior soft decoration industry, but most people in the industry are still accustomed to using the big concept of the home textile industry. Bedding products mainly include: pillow core, bedding, mattress, pillowcase, duvet cover, etc.