Willingness of parents of 9-to-18-year-old females in China to vaccinate their daughters with HPV vaccine

•Most of parents in China had low levels of knowledge about HPV vaccine.•Mothers were slightly more willing to vaccinate themselves than their daughters.•Determinants of willingness to vaccinate daughters included higher income, knowledge of HPV and HPV vaccine, and living in an urban area.•Educational outreach and HPV vaccine price reduction may increase HPV vaccine uptake.