Southeast Asian archaeological methods have evolved from colonial-era focus on monumental structures to a more scientific, multidisciplinary approach. Modern techniques incorporate indigenous perspectives and collaborate with local communities, balancing research goals with cultural sensitivity. Key concepts include stratigraphy, dating methods, and excavation techniques. Archaeologists study diverse sites like caves, urban centers, and shipwrecks. They face challenges such as tropical environments, looting, and development threats while employing advanced technologies and community-based approaches.