The energy underwear can efficiently improve body microcirculation. The blood circulation of waist and genitals will be improved, while the function of corresponding organs also can be adjusted. Smooth blood flow, metabolism accelerating and immune system enhancing are functions of energy underwear as well. Nyeform energy underwear has been proved by practical experiments that its antibacterial functional effects against Escherichia coli, Staphylococcus aureus and Candida albicans still achieved more than 85%-99% coverage after 120 times washing.