This essay is aimed to explore the relationship between online Han Chinese ethnic nationalism and Feminism. The strong opposition to feminism by radical Han nationalists has been frequently observed on Chinese social media. This essay uses case study method and correlation analysis to understand this phenomenon. By understanding of Han Chinese online nationalism, the paper hopes to have broader lessons of the fundamental contradiction between nationalism and feminism. This research finds that contemporary online extreme Han ethnic nationalism is against Feminism, but women Han nationalist online are also strongly against Feminism. In conclusion, this article deepens people's understanding of the relationship between nationalism and feminism. Moreover, the essay could be helpful to the policy makers to create better policies to enhance equality both between different ethnic groups and between two sexes. Admittedly, the paper is limited because the coding process might exist the basis of the researcher and the sample size of the female Han nationalist is limited. On the other hand, the lessons drawn from this research might not be fully applicable in other cases, as it depends on the country's specific factor and the features in different time periods. Scholars can also look into other countries' situation and different time periods in Chinese history for further studies.