用酶联免疫吸附试验（ELISA）对肝功能异常的216份血清进行了血清学分型研究，152人（70．37％）被检测出不同型别的肝炎病毒感染标志，其中甲型59人（27．31％）、乙型100人（46．30％）、丙型30人（13．89％）、丁型36人（16．67％）、成型20人（9．26％）；另64人未检出上述任何标志，为未定型。阳性病人中73人（48．03％）为混合感染。这项研究结果表明，现已证实的五型病毒性肝炎海南岛南部地区均有。 Serological typing was performed on 216 serum samples with abnormal liver function by enzyme-linked immunosorbent assay (ELISA). A total of 152 (70.37%) were detected with different types of hepatitis virus infection markers, of which 59 27.31%), 100 (46.30%) B, 30 (13.89%) C, 36 (16.67%) 64 people did not detect any of the above signs, not finalized. 73 (48.03%) were positive for mixed infection. The results of this study show that five types of viral hepatitis have been confirmed in southern Hainan Island.