The abdominal diagnosis of Shang Han Za Bing Lun is very important in TCM diagnostics.This article attempted to discuss the significance of palpation diagnosis of abdominal wall tension in the abdominal diagnosis of Shang Han Za Bing Lun.It was believed that abdominal wall tension could objectively reflect the law of visceral pathological changes of six meridians diseases.The palpation diagnosis of abdominal wall tension could govern exterior to infer interior.Disease locations could be identified through the source meridians of abdominal wall tension;the disease properties could be identified...