The region of Southeast Asia attaches great significance from various points of view. Historical aspects with special -reference to medicine in the early traditions have an importance for understanding evolution and development of medicine in indigenous sources and patterns. Indological approach along with studies in Ayurveda, the ancient medical science of India, is closely interrelated on the firm foundation of age-old relations between India and Southeast Asia which are evidenced by historical facts. The studies have been carried out on South east Asian history with specific objective for investigating on different facets of medicine to focus on theory, concepts, practice and tradition laying and consolidating medical systems, by special approach of Ayurveda as well as the sources of Indology playing their greater role in better understanding of indigenous medical thoughts and therapies, and appraisal of wide perspectives of Indian knowledge which is credited for pioneer place of eternity. The present book contains six chapters, which are - Introduction, Medical Appraisal of Ancient Geographical Horizons; Medical Thoughts and Developments; Southeast Asian Medicine; Indigenous Materia Medica; and Results and conclusions. The book contains detailed Bibliography, Appendices and an Index of the words.