The present invention provides a method for discriminating 8 physical constitutions which can simply and objectively discriminate 8 physical constitutions with low costs. The method for discriminating 8 physical constitutions discriminates whether a physical constitution of a subject corresponds to any one among a pulmotonia, a colonotonia, a hepatonia, a cholecystonia, a pancreotonia, a gastrotonia, a renotonia, and a vesicotonia. A step of discriminating the 8 physical constitutions attaches a color tape to an acupuncture point of a subject and determines whether the subject corresponds to any one among the 8 physical constitutions in preparation of grip strength of an O-ring test before and after attachment wherein the step of discriminating the 8 physical constitutions composes the method for discriminating 8 physical constitutions.본 발명은 피검자의 체질이 금양체질, 금음체질, 목양체질, 목음체질, 토양체질, 토음체질, 수양체질, 수음체질 중 어느 하나에 해당되는지 판별하는 8체질 판별 방법에 있어서 8체질 판별 방법을 이루는 8체질 판별 단계에서는 피검자의 혈자리에 색채 테이프를 부착하고, 부착 전후의 오링테스트의 악력을 대비하여 8체질 중 어느 하나에 해당되는지 판단되는 8체질 판별 방법에 관한 것이다.