That the problem of drug addiction is still growing up, so there is the necessity for widen of treatment panel for psychoactive substances abuse, especially for opiates. Because of the fact, that substituting treatment became to be popular in patients' opinion, more attention were paid on new medicine-buprenorphine. It is an agonist- antagonist of opiates' receptors. Buprenorphine has been successfully used in long-term treatment in United States and in Western Europe. Treatment with buprenorphine has been started in Poland in Toxicological Department in Kraków. This article shows outcomes of substituting treatment with buprenorphine in period from December 2000 to February 2001.