Abstract
The study sought to understand the harm-reduction policy and public policy of comprehensive care for the user of Crack and other drugs on their various prisms. To this end, research was carried out in the scientific literature on harm reduction and public policies on drugs, by means of searches in the bases MEDLINE, SciELO and LILACS. It was possible to organize the article from the following themes: the history of harm reduction, the strategies adopted by harm reduction in drug policy and the main challenges faced by the reduction of damage. It is considered relevant to the construction of this work under bibliographic molds, as possibility of knowledge and study on harm reduction, allowing its implementation by health professionals, resulting in practices humanized users of crack and other drugs.