颌下区淋巴结解剖学分为腺体前、腺体后、血管前、血管后、腺体内及深部淋巴结。为了探讨口底癌颌下区淋巴结转移的特点，作者对１０例无头颈疾病的尸体（男６，女４）进行了颌下区解剖；并对４１例未治疗的口底鳞状细胞癌患者进行临床评价，其中男性３０例，女性１１例；年龄 Submandibular lymph node anatomy is divided into the anterior gland, glandular, anterior vascular, vascular, glandular and deep lymph nodes. In order to investigate the characteristics of submandibular lymph node metastasis in the mouth of the mouth, the authors performed the submandibular anatomy of 10 cases of head and neck disease without body neck (male 6, female 4); and 41 untreated squamous cell carcinoma of the mouth Clinical evaluation, including 30 males and 11 females; age