I write this book aims to let interviewers to know why to apply psychological methods to judge how to choose the most suitable applicant(s) more accurate to any organization in any interviews. This book consists two parts. The first part concerns to explain what the different interview methods can be used to evaluate whom is the mos right applicant. In the first part, it explains what the different common interview methods are. The first chapter indicates what the common interviews are as well as explains why interviewers need to apply psychological methods to test any applicant behaviors in any interview process. The second chapter explains how to apply psychological recruitment strategies effect/manage in the recruitment process to achieve more effective and efficient interview as well as explains how to apply occupational psychological test method to test applicant's ability. The third chapter how selection assessment methods are applied to choose the best applicants to achieve the most effective and efficient interview result as well as how to criteria for selecting and evaluating assessment methods in interview which are the most reasonable support. The four chapter explains how to apply situation questions to select the most right applicant to do management position. The second part explains what the psychological interviews are, it concerns challenge of HR management it is as a HR specialist, what are the challenges you may face and what HR intervention mechanisms would you consider using in an attempt to drive individual and organization performance in a multinational company? Critically evaluate this question by utilizing the appropriate academic literatures. The challenges of the HR specialist when there engage in attempt of increasing the individual and organization performances in Multinational companies through developing a set of HRM best practices, especially relating to employee recruitment and selection, performance management and staff retention. Since the organizations are multinational number of concerns are arises such as dealing cultural issues with the organizational goals as well as individual goals.