Song Yiqian Shanghan Lun Kao(Textual Research on Treatise on Cold Pathogenic Diseases before Song Dynasty)is the research findings on Shanghan Lun(Treatise on Cold Pathogenic Diseases)by modern Japanese physicians of Chinese prescriptions,which not only pays attention to the ancient literatures,but also combines the clinical practice of diagnosis and treatment. Reviewed Shanghan Lun(Treatise on Cold Pathogenic Diseases)before Song Dynasty,a lot of original ideas are proposed,including tense series of treatise on cold pathogenic diseases,phlegm and fluid retention of treatise on cold pathogenic diseases,yang-ming diseases caused by stomach cold,miscellaneous diseases in Jingui Yaolve(Synopsis of Golden Chamber)as accompanying symptoms of cold pathogenic diseases,which show enlightenment for our country’s research on Shanghan Lun(Treatise on Cold Pathogenic Diseases).