The purpose of this study is to clarify “the essential personal traits and abilities required from coaches” by analyzing their qualifications, criteria, and conditions based on the clear definition of “coach” to provide a clue to the solution of the ethical and moral problems in championship sports.The term “coach” used in Britain in 16th and 17th centuries primarily meant “a state carriage of royalty or people of quality.” In this period it also meant “a private tutor who prepares a candidate for an examination” or “one who trains others for an athletic contest, esp. a boat-race.” At present this term has come to signify an “instructor in sport, ” the definition derived from the metaphor of carrying persons to be instructed. So far as the author has been able to uncover, very little literature exists in which a clear definition of the term “coach” is given. Therefore, in this study the term “coach” is defined as “a specialist who takes over technical and mental instruction of both player and team in championship sports.”According to this definition, the qualifications, criteria, and conditions required from coach are:1) to have certain practical and coaching experiences.2) to broaden and enrich the knowledge of techniques and tactics on events concerned.3) to master the basic and practical subjects on sports sociology, sports psychology, sports physiology, sports medicine, training science and biomechanics.However, not everybody can achieve the success of either individuals or teams if these qualifications, criteria and conditions are met. In short, the essential personal traits and abilities which should be mastered, at a minimum, by a coach must be required as a premise for the above success. As a result of this consideration of these personal traits and abilities they can be briefly summarized into the following: 1. physical, 2. mental and personal, 3. intellectual, 4. technical and tactical and 5. others.This being, it is considered that it is necessary to establish the “universal standards” which coach and player will be able to own jointly based on these essential personal traits and abilities and it is of urgent necessity to solve the ethical and moral problems in championship sports through them.