The black spots on the clothes after sweating are caused by the following factors: 1, the body has an infection, such as the body by bacteria, viruses, fungi or other pathogenic microorganisms, such as mycoplasma or chlamydia infection, will have a fever, fever will sweat, sweating clothes will be left with some black spots. The reason is usually because the body temperature adjustment point moves up when you have a fever, so that heat dissipation increases, resulting in sweating, sweating will discharge the body’s endotoxins, so there are some black sweat stains on the clothes. 2, patients with dermatitis, there are also black spots on the clothes after sweating, there are sweat deposits, sweat stains stay, etc. 3, skin contact infections, such as skin septicemia, when the clothes after sweating will also leave black spots. .