I write this book aims to let interviewers to know why to apply pshological methods to judge how to choose the most suitable applicant(s) more accurate to any organization in any interviews. This book consists three chapters.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.