免疫功能的紊乱与口腔颌面部恶性肿瘤患者预后、治疗效果等关系密切.微量元素硒对人体免疫系统有调节作用也已有报道.本文用流式细胞技术及体外细胞培养技术对正常人与口腔颌面部恶性肿瘤患者外周血T淋巴细胞中的数量、平衡状态及功能进行了研究,并观察了患者服晒前后外周血中T细胞变化的情况. Immune dysfunction and oral and maxillofacial malignancies in patients with prognosis, treatment effect is closely related to the trace elemental selenium has a regulatory function on the human immune system has also been reported.In this paper, flow cytometry and in vitro cell culture technology for normal and The number, balance and function of peripheral blood T lymphocytes in patients with oral and maxillofacial malignant tumors were studied, and the changes of T cells in peripheral blood were observed before and after the service was taken.