This is a basic reference book for psychology and clinical psychology using an easy approach to facilitate readers' understanding. It is useful for students pursuing courses in psychology, counselling, medicine, nursing and related health sciences as well as counsellors desiring to delve into the treatment of stress and anxiety. It is also beneficial to individuals facing stress and anxiety. A patient receiving treatment would better understand the stress and anxiety that he faces with the help of this book. It is hoped that this understanding would lead him to be more motivated and co-operative with therapists to continue his treatment. This book is divided into two parts. The first part has six chapters which discuss stress, covering the basic theory for the formation of stress and ways to prevent, control and handle stress. The second part of the book contains four chapters which relate to the treatment of anxiety. The last chapter of this book is special because it contains ten leaflets on patients' information that is easily understood and intended for the patient.