面神经颊支起源于面神经的颈面干及颞面干,穿出腮腺前缘后在SMAS筋膜及咬肌筋膜下走行,分布于形成口角轴的大部分表情肌(颧大肌、颧小肌、颊肌、笑肌、提口角肌、鼻小肌及口轮匝肌)。在走行过程中,面神经颊支与腮腺、腮腺导管及颊区组织的层次之间的关系都有一定的规律。本文就 The buccal branch of the facial nerve originates from the trunk of the facial nerve and the temporal facial stem. It runs through the anterior segment of the parotid gland and under the fascia of the SMAS fascia and the fascia of the masseter muscle. Most facial muscles (zygomaticus zygomaticus, zygomaticus minor) Muscle, Buccal Muscle, Laughter Muscle, Flutter, Nasocutus and Orbicularis oris. In the process of walking, facial nerve buccal branch and the parotid gland, parotid duct and buccal tissue levels have a certain relationship between the rules. This article is