祖国医学历来重视舌诊，近年来对舌诊的临床应用和舌象形成机理研究工作有较大的进展［１～３］。随着显微外科的兴起，舌瓣外科的推广应用［４～６］，以及对舌缺损的修复重建［７］等，进一步促进了对舌脉管系统的研究。为了推动舌诊、舌下络脉诊法的发展，给有关的临床工作? Traditional Chinese medicine has always attached great importance to the diagnosis of the tongue. In recent years, great progress has been made in the clinical application of the tongue diagnosis and the research on the formation mechanism of the tongue [1 ~ 3]. With the rise of microsurgery, the popularization and application of the flap surgery [4-6], and the repair and reconstruction of the tongue defect [7], further promoted the tongue vasculature research. In order to promote the tongue diagnosis, the development of sublingual collaterals diagnosis, to the clinical work?