She received her PhD in management science and engineering from the Management School of Xi'an Jiaotong University. Her main areas of research focus on gender imbalance, reproductive health, vulnerability, and social support. Her current research focuses on how gender imbalance and migration amplify the risk of HIV transmission in China. Liu has published over twenty papers in Chinese academic journals, including China Soft Science, Population and Economics, Psychological Science Advance, Collection of Women's Studies, and Modern Preventive Medicine.