This paper studies the morphological information of the submandibular gland, to provide anatomical data for curing severe dry eye by denervation transplantating of autologous submandibular. Dissect 10 cases of normal adult head and neck , under the operating microscope anatomy of bilateral via common carotid artery perfusion red latex specimens, and detect the morphology data. The size of submandibular gland is: length (3.10 ± 0.58 cm), width (1.82±0.20 cm), thickness (1.49±0.41 cm); The front end of the inside submandibular gland passed thr...