By comparing the Song edition of Shang Han Lun with that of the pre -Song period, it is claimed that the original order of this book was not arranged on the sequence of 3- yin and 3- yang. Instead, it is arranged on the sequence of indications and contraindications of diaphoresis, emesis, purgation. During the process of its circulation, it was separated into two stems of circulated edition, the Shang Han Lun and Jin Gui Yu Han Jing, and the system of 3- yin and 3- yang, order of entries diagnosis based on differentiation of 6 channels, and polish of languages were completed during the process of its circulation. The edition collated by Lin Yi of the Song dynasty was the one circulated until today.