[Rediscussion on the relationshin between back-shu points and twelve meridians]

In current theory, back-shu points are categorized into the bladder meridian of foot-taiyang, resulting in difficulties in interpretation and ineffective guide for clinical acupuncture. The development of acupuncture theory indicates that the relationship between back-shu points and corresponding meridians is established by manifestation and root cause of meridian, and enriched in Qianjin Yifang (A Supplement to Recipes Worth a Thousand Gold), but it has been categorized into the bladder meridian of foot-taiyang since Waitai Miyao Fang (Arcane Essentials from the Imperial Library) and its influences remain so far. After analysis on this academic development and basis of understanding, it is believed that the problems of back-shu points and twelve meridians are presented with how toselect existing theories; it is proposed that the academic value of relationship between back sha points and twelve meridians should be explored and promoted to establish the theory form and structure relationship. As a result, the theory can be completed to guide the clinical treatment.