We refer a case report of a canalicular adenoma of minor salivary gland, located at the submucosal region of the upper lip. The patients' clinical state was thoroughly studied, along with the histopathological findings. The surgical excision was the treatment of choice. Numerous histogenesis theories and the appropriate tumor treatment are mentioned, being always in accordance with the relative literature. Canalicular adenoma of minor salivary gland is a rare oral mucosa lesion. The differential diagnosis among many oral swellings is interesting. The surgical excision is the treatment of choice. The histological examination confirms the clinical diagnosis.