Oral cancer is a malignant tumor in the oral, collectively, can occur in any part of the oral cavity including the lips, tongue, mouth floor, buccal mucosa, gums, and palate ace tabular bone teeth after area site. Among them, the most common oral mucosal epithelial cell carcinoma after squamous cell carcinoma, the ratio is over 90%, other malignancies, including lymphoma, melanoma, sarcoma, are rare.