This book is concerned with presenting a comprehensive review on Orally Disintegrating Films.This includes oral drug delivery and its approaches and evaluation parameters via oral route.This book is the result of fruitful teamwork and collaboration of authors include (Dr.) Sonia Narwal, Associate Professor, Faculty of Pharmaceutical Sciences, PDM University, Bahadurgarh, Haryana.(Dr.)Vipin Saini, Vice Chancellor, M.M.University, Kumarhatti,Solan,Himachal Pradesh as well as (Dr.) Manish Kumar,Professor, M.M.(deemed to be)University, Mullana, Ambala,Haryana. This book is concerned with wide range of significance of oral drug delivery system which may leads to better patient compliance and ultimate clinic output.