This book helps students to practice psychiatry as containing a number of cases with the psychologists and how to deal with them. The purpose of the book is to answer the kind of questions which seem that students need to have quick answers when attempting to study the decision psychiatry, as they will face some difficulties; because they have to learn a new language and acquire a new set of concepts disease if they have - originally-no intention to keep to them in psychiatry. The book consists of 13 chapters.