Doping is the use of substances harmful to health in order to obtain sports performance. Doping does not only mean steroids but there is a long list of doping substances, used in various sports from shooting to cycling and from baseball to football. In bodybuilding, the use of doping is only more obvious (the goal being to increase muscle mass), not necessarily more frequent or more intense. Success in the fight against doping in sport depends a lot on the collaboration between all the partners in the anti-doping community: athletes, international federations, national anti-doping organizations, regional anti - doping organizations, national and international Olympic and Paralympic committees, organizers of major sporting events, governments, antidoping laboratories, the sports arbitral tribunal. Athletes should be subject to doping control anywhere and anytime, unjustified refusal or failure to take samples after receiving the invitation to doping control, in accordance with anti-doping regulations or in any way avoiding sampling is a violation of applicable regulations. The doping control program is in accordance with the World Anti-Doping Code, the International Standard for Testing and Investigations. Unfortunately, doping is no longer a unitary or individual action of an athlete, but has developed into a dangerous phenomenon, with disastrous consequences for athletes, coaches, doctors or authorities. In these conditions, it is crucial to take firm positions and to adopt effective normative acts, which prevent doping cases in sports, but also to combat illicit activities, which affect, in the most direct way, the national or world sports movement.