作者对经病理确诊的94例口腔粘膜结核进行了分析;结果表明:该病变男性明显多于女性(12.5:1),60%发生在50岁以上,仅10.6%的患者有肺结核史。病程半年内占87%.91%以上呈现粘膜溃疡,其部位以舌多见,其次为颊、腭、唇、牙龈.43%为多个溃疡损害。临床诊断与病理诊断符合者占38%,舌、牙龈、颊部结核极易误诊为癌。本文着重对误诊的原因进行了分析. The authors analyzed 94 cases of oral mucosal tuberculosis confirmed by pathology; the results showed that: the lesions were significantly more men than women (12.5:1), 60% occurred in the age of 50, only 10.6% of patients had a history of tuberculosis. The disease duration accounted for 87% of the patients within six months. Mucosal ulcers were present in more than 91% of the patients. The most common sites were tongues, followed by cheeks, cheeks, lips, and gums. 43% were ulcers. Clinical diagnosis and pathological diagnosis accounted for 38%, and tongue, gum, and cheek tuberculosis are easily misdiagnosed as cancer. This article focuses on the reasons for misdiagnosis.