Zhang Xiaoyu, a PhD student in the School of Public Health at the University of Hong Kong. She is interested in the fields of alcohol drinking and smoking. One of her projects aimed to investigate the association between alcohol drinking and adverse health in adolescents. Recently, she is also involved in smoking projects. She focuses on examining the tobacco use-related attitudes, intentions, behaviors in Hong Kong, especially the use pattern of electronic cigarettes and heated tobacco products. In the future, she will access the need for new or more stringent tobacco control policies, aiming to reduce tobacco use prevalence in Hong Kong.