我市是鼻咽癌高发区，寻找早期诊断鼻咽癌的方法是研究工作的重点。目前鼻咽癌诊断方法是检测抗 ＥＢ病毒壳抗原的 ＩｇＡ抗体（ＶＣＡ－ＩｇＡ），虽然该检测有助于鼻咽癌的早期诊断，但存在不同程度的假阳性和假阴性。本研究将血清肿瘤标志物酸溶性蛋白和唾液酸与 ＥＢＶＣＡ The city is a high incidence of nasopharyngeal carcinoma, looking for early diagnosis of nasopharyngeal carcinoma is the focus of research work. At present, the diagnosis of nasopharyngeal carcinoma is the detection of IgA antibody (VCA-IgA) against Epstein-Barr virus capsid antigen. Although this test is helpful for the early diagnosis of nasopharyngeal carcinoma, there are some false positives and false negatives. In this study, serum tumor markers acid-soluble protein and sialic acid and EBVCA