It will definitely produce pollution. In the garment manufacturing process, especially the printing and dyeing process, many toxic and hazardous substances, including heavy metals, are often used and emitted. In addition to lead, cadmium and other heavy metals used in dyes, nonylphenol (NP), octylphenol (OP) and perfluorooctane sulfonate (PFOS), which are known as "environmental hormones", are also widely used in the textile process.