Drugs is an acronym of a narcotic , psychotropic and medicine dangerous. Often also called narcotic napza that is, psychotropic and other addictive substances. The term is good drugs and napza referring to a group of compounds and in general they risk having addicted to for the end user. At first drugs used among all these medically as an anesthetic drug to perform the operation, but along its development drugs abused by parties who are not responsible for consumed. Specifically for provinsi Lampung own, according to the directorate of Polda investigation Lampung drugs, been an increase in the drug cases from year to year, whether it is in terms of the number of cases and the number of suspects, so that required digital mapping drug cases to facilitate officers priority determining areas counseling as a continuation of prevention. Methods used to conducting data collection is a method of documentation, this method used to get information dari direktorat drug investigation Polda Lampung relating to data to scatter the number of cases, the number of suspects and of drugs as evidence in each province police Lampung. This research is a result of application geographic information system the spread of drug cases locations in Lampung provinsi. This application is also helping the community to obtain data on drug cases, the number of suspects, the amount of goods evidence for each all Lampung Police.