Abstract: The preparation and testing technologies of the anti-bacterial and odor-control textiles have been reported in quantity. But consumers are worry about the safety and the effectiveness. The paper discusses the four basic questions including the human skin microecology environment, the formation and odor molecules of the human unpleasant odor, the relationship among skin bacterial and human odor and textiles, the effect of antibacterial textiles to normal skin flora. The human skin flora has good defense mechanism, it is not necessary to using antibacterial textiles to prevent bacterial infection. The antibacterial textiles can reduce a part of odor and odor have been caused by skin bacterial should be removed by odor removing finishing. The bacterial colonization on the textiles and the odor reserved on the textiles are closely related to the types of fibers. The antibacterial textiles used for interval and long time wont damage the balance of the skin flora. The relationship among skin bacterial and the human odor and textiles are complex and should be further studied