The present invention provides a DNA vaccine, which comprises a DNA construct comprising an expression vector which is expressible in a eukaryotic cell, and a nucleotide fragment which comprises a CTGF-encoding sequence and a HPV sequence selected from an E6-encoding sequence, an E7-encoding sequence, or a combination thereof. In addition, the present invention also provides a pharmaceutical composition and a method of generating said DNA vaccine.本發明提供一種DNA疫苗,其包含一DNA構築體,且該DNA構築體包含:一可在真核細胞中表現之表現載體、以及一包含CTGF編碼序列及HPV序列的核苷酸片段,其中前述HPV序列係選自E6編碼序列、E7編碼序列、或其組合。此外,本發明亦提供前述DNA疫苗之醫藥組成物及其生產方法。