Lithuanian young people are currently facing problems related to narcotic drugs and alcohol addictions. In order to fight against the spread of narcotic addiction in the country, it is necessary to identify people who are using narcotics, toxic drugs, and medicines. The purpose of this research study is to ascertain if soldiers have any opportunities to abuse the aforementioned substances while serving in the Lithuanian army, and to evaluate whether they know only the names of narcotic drugs or have more information about their use. Twenty-five cases of ethyl alcohol and narcotic drug use have been determined among 318 soldiers, who have been tested since 2002 (it composes 7.86% of the sample). There are no conditions for such harmful habits in the army.