The terms related to Psychiatric Nursing and Responsibilities of Team members, Principles and Standards to be followed to practice Psychiatric Nursing explained in detail. History of Psychiatry from ancient times to present and Scope of Psychiatric Nursing explained, Problems of Mental disorders listed, Classification of Mental Disorders, Contributors in the field of Psychiatry, Factors influencing Psychiatric Nursing Practice, Role and Functions of Psychiatric Nurse, Qualification and Criteria of Psychiatric Nursing Practice, Qualities of Psychiatric Nurses, Essential Psychiatric Nursing skills required to practice Psychiatric Nursing are narrated.