Dioxins are substances that are formed unintentionally, most of the times by the process of incineration [1,2]. This explains the fact that these substances are omnipresent in the environment, even though in very small quantities. This paper present some aspects regarding the effects of dioxin present specially in atmosphere, the sources of dioxins emissions, the mechanism of action in animal and human organisms and there are proposed some solutions at the dioxins presence in human life.