The development of cross border e-commerce industry is one of important global trends. From eMarketer (2019), the global sales of e-commerce in 2018 was 2.5 trillion US dollars and will reach 7.5 trillion US dollars in 2020. In this number - 7.5 trillion US dollars, the cross border e-commerce consumers will occupy 44.6% of e-commerce. Due to the quick development, companies will encounter problems by the way. The research purposes of this paper was to discuss some problems and provide suggestions. During the time of industry-academic cooperation, observational survey was used as the research methodology. The research subjects were 5 Taiwanese cross border e-commerce companies which located in the vehicles components industry and fashion handbag industry. The companies might have over a 30-years-old history or might be a new company. The common factor of these 5 companies are they all use cross border e-commerce multiple platforms to sell their products around the world. The research results and suggestions of these 5 cross border e-commerce companies are the following. Firstly, the problem is business opportunities are difficult to catch recently and the amount of each order earned is becoming smaller. The suggestion for this problem is to suggest adapting multiple cross border e-commerce portals operations on budgets and “Software Key activities” for decision making. The second problem is the cost of cross border e-commerce logistic is high. The suggestion for this problem is to use Big Data Analysis and artificial intelligence (AI) technology to calculate exact oversea inventories. The third problem is lack of trust. The suggestion for this problem is localization strategy, to systematically recruit and train the talents who are familiar with the culture, products and markets. And it should use the third-party money transfer security services
