Anti-inflammatory of volatile oil is special book introduce important knowledge about volatile oil, some medicinal plant growing under dry desert condition and their uses,anti-inflammatory effect of some medicinal plant used by Bedouin People in Saudi Arabia.Chemical composition of volatile oil and role of some compound as antiinflamatory agent are also disscused. This book will be of great help for pre and post-graduate student, academic researcher and a general book for any one concern with the uses of medicinal plant.