Although stamp is attacked,not be very powerful blow, but it can force adversary overbalance, down to cannot maintain the pose of “ fistfight ” . Stamp is attacked ought to be rapid and abrupt. The hand is in hit out and retractile when, should hold higher position, with destroying adversary strike back. Recall when the hand when defence, should make the muscle of two arms is loosened. It is very practical that successive jab is attacked. Because biff won't be cloggy,atttack again, and the possibility that hits the 2nd times is very large, say subsequently biff again, often also be to be opposite a kind when the stand sth on end that did not hit attacks to cover a method. Successive jab is attacked can coerce adversary always is in defensive.