Knitted fabrics are fabrics that are connected by loops of the coils and are a large variety of fabrics. Knitted fabrics have good elasticity, moisture absorption and breathability, and are comfortable and warm. They are the most widely used fabrics for children's wear. The raw materials are mainly natural fibers such as cotton and linen, and the chemical fiber knitted fabrics such as nylon, acrylic, polyester, etc. are rich in variety and variety. The appearance is unique. In the past, it was mostly used in underwear, T-shirts, etc. Nowadays, with the development of the knitting industry and the birth of new finishing technology, the wearing performance of knitted fabrics has been greatly improved, and it is suitable for almost all types of children's wear.