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Objective To study whether HCV RNA load is related to the antibodies against regional specific proteins of HCV. Methods 69 serum samples were detected for HCV RNA load by Real time fluorescent PCR. Anti-HCV and the antibodies against regional specific proteins of HCV were detected by ELISA. Results The positive rates of anti-C and anti-NS3 were remarkably higher than those of anti-NS4 and anti-NS5. We divided the serum samples into two groups on the basis of load of HCV RNA, there was no statistical significance between A and B group in the positive rate as well as the antibody reactivity of HCV anti-C, anti-NS3, anti-NS4 and anti-NS5.From the distribution of different combined patterns, we could conclude that the pattern IV was superior to others in both of the two groups. Conclusion There are remarkable differences in different antibodies against the regional specific proteins of HCV. The positive rates and the antibody reactivity of anti-C, anti-NS3, anti-NS4, anti-NS5 are not related to the HCV viral load. The EIA-3 which conclude C, NS3, NS4, NS5 proteins could enhance the sensitivity of detection HCV.