In accordance to the fairness and appreciation attraction of competitions, conforming to the trend of times, it is necessary to revise the refereeing rules with the developing process of all kinds of sports. That is the reason why International Judo Federation, IJF, would change refereeing rules for competitions in 2010 and decide the new rules that had proceeded to experimentations tested during IJF competitions in 2009. Due to maintain the nature that Judo is a physic and mental education system, as well as continue developing Judo perfectly and forever, the fair and just refereeing rules will enable judo contestants to display their strength, rhythm and comprehensive technology, as well as to express Judo sportsmanship, so that people will be attracted to their splendid performance and more willing to appreciate judo competitions. The new rules like extreme defensive position, the gold score extension overtime period, the revision of refereeing system, Hansokumake and so on have brought a big change to athlete and coach's training pattern. It is time to completely understand the new refereeing rules and ponder over the training, technology, tactic, competition and various aspects to make the appropriate athlete's training prescription and the effective strategy.