作者采用断面解剖和间隙灌注方法观察了３６具成年男尸的舌骨下区颈部脏器周围的筋膜间隙。结果表明，在颈部脏器的前方存在气管前间隙和舌骨下肌后间隙，在后方存在咽后间隙和危险间隙。本文讨论了这四个间隙的延伸和相互通连情况，有助于颈深部感染的诊断和治疗。 The authors used section anatomy and interstitial perfusion method to observe the interfascicular space around the hyoid area of ​​36 hypospadias. The results show that in front of the neck of the organ there is the anterior and posterior hypospadiporal space, posterior pharyngeal space and dangerous clearance exists. This article discusses the extension and interconnection of these four gaps that contribute to the diagnosis and treatment of deep cervical infection.