According to the fundraising situation of 349 philanthropic projects on the first group of internet public fundraising information platforms，this paper finds out that the larger scale of the charitable organization，the higher the charitable fundraising ratio would have；the charitable fundraising ratios of the projects on the comprehensive internet public fundraising platforms are higher than those on the professional crowd funding platforms and professional public fundraising plat forms. Based on the results of the study，this paper assumes that the characteristics of charitable organizations and public fundraising platforms also have a great influence on the internet fundraising effect besides the characteristics of the project itself. Therefore，this paper initially constructs a basic model of the factors affecting fundraising on the public fundraising information platforms. This study would provide a theoretical guidance for charitable organizations to improve their internet fundraising behaviors.