Acquired Immune Deficiency Syndrome (AIDS) is a fearsome epidemic for modern society as the virus itself shortening the human life expectancy. Based on the report issued by the National committee of sexually transmitted diseases monitoring agency. In the 3rd quarter of 2017, Bali is the 4th most province with major HIV infection in the country. One of the foundations that focuses on HIV/AIDS assistance and prevention in Bali is Spirit Paramacitta Foundation. The problems faced by the Foundation are the limitations of the counselor and the reluctance of the community to consult. With the advancement of the information technologies and to support the goodwill of foundation is the basis of why this research exists. The goal of this research is to build a mobile-based chatbot application using Artificial Intelligence Markup Language (AIML), that will aid the foundation in giving people a reliable HIV/AIDS related information. AIML is used because it can make bots close to human capabilities. The application would be able to emulate the human conversation as good as the usual counseling session. The result of this research is chatbot has been able to help Spirit Paramacitta Foundation in counseling and disseminate information related to HIV/AIDS to the community.