With the popularization of the Internet and the explosive growth of cross-border e-commerce, this research project discusses how an organisation can gain competitive advantage through cross-border e-commerce. This study will investigate PESTEL analysis` content and the significance of Porter`s Five Forces in competition. Also, the research identifies e-commerce and three models of e-commerce and evaluate the cross-border business in New Zealand. Also, this research project evaluates some of the business strategies provided by lecturers. According to the report, the impact of political factors is easily overlooked, and there is high competitiveness between C2C and B2C. Also, the researcher found that the target group of cross-border e-commerce business in New Zealand is single. To gain more competitive advantages and stand out of this industry, the organisation needs to increase customer awareness on political factors, improve service quality, and increase target group. This report is completed by mixed methods which including interview, and the online questionnaire to obtain information and resources. Participants include shop manager, employee, and customers. The 62 customers are all Chinese because the organisation only focuses on the Chinese market.