Requirement content 1. Products continuously produced with the same specifications, the same raw materials, and the same process shall be regarded as one or several inspection batches. 2 Polylactic acid fiber and cotton blended fabrics are divided into two aspects: intrinsic quality and appearance quality. Intrinsic quality is divided into basic items and functional items (selective items); appearance quality includes local defects and scattered defects. 3 The basic quality items of polylactic acid fiber and cotton blended woven fabrics include seven items: safety performance, weft density deviation rate, fiber content deviation rate, breaking strength, washing dimensional change rate, pilling and color fastness; functionality The project includes antibacterial performance and quick-drying performance. 4 The basic quality items of polylactic acid fiber and cotton blended knitted fabrics include seven items: safety performance, square meter mass deviation rate, fiber content deviation rate, bursting strength, washing dimensional change rate, pilling and color fastness; functionality The project includes antibacterial performance and quick-drying performance.