The level of knowledge by medical workers and their patients of legislation problems of narcology is presented. 182 physicians, 184 students of Kazan and 124 patients with drug addiction admitted for treatment to narcologic institutions of Tatarstan Republic took part in the study. Both medical workers and their patients on a whole are satisfatorily informed on problems of rights of patients with drug addiction. At the same time there are significant problems in knowledge of medical legislation in narcology. Most of respondents support the necessity of anonymous narcologic offices and charging payment narcologic structures.