Objective : The objective of this study is to explore the meaning of 弦 in Shanghanlun through analyzing two cases. Methods : Two cases treated with modified Soshiho-tang, which is administrated when 弦 aggravates chief complaints, were analyzed. All of the cases were diagnosed by disease pattern identification diagnostic system based on Shanghanlun Provisions. Results : The patients’ chief complaints of all 2 cases were improved after administration of modified Soshiho-tang. As pulling symptom was reduced in all 2 cases, patients’ disease were relieved. Through the etymological research and clinical treatment results, the clinical meaning of 弦 is deduced as ‘pulling’. Conclusions : The etymological and clinical analysis suggest that the concept of ‘弦’ maybe defined as ‘pulling’ in Shanghanlun.