The form of intermittent pulse(代脈) has three standards. The first is "The persistence of the pulse stop(止不能還)". This standard is extensively accepted to the medical scientists in every ages of after the <Treatise on Febrile Diseases(傷寒論)>. The second is "The replacement of the former pulses(更代)". This standard is very useful to explain the situations that the intermittent pulse(代脈) is regarded as a dead pulse(死脈). The third is "The regular inerval of the pulse stop(止有定數)". This standard is impractical and illogical to practical using of the intermittent pulse(代脈). The reason is misreading on the <Nae-Kyeong(內經)> of Wang-Suk-Hwa(王淑和) and the inexact & expansive reproduction of medical men of the Myeong-Chung dynasty(明淸代).