Himalayas is known for its biodiversity and traditional wisdom. Uses of medicinal plants is integrated part of Himalayan people. Trans-Himalayas is a home of thousand of medicinal herb. The area is politically isolated and geographically tough. Therefore, expansion and publication of Himalayan medicinal system, however, still huge knowledge need to be explored from grass root level. This book is an effort to explore and document the Himalayan wisdom. Extensive survey was done in Ladakh, Lahul-Spiti and Uttarakhand to explore the ethnobotanical knowledge to compile this book. Medicinal herb identification feature, part used, habitat, location and different areas has been documented in this book.