With the advancement of technology and the rapid development of globalization, many companies are eager to carry out international business by selling products and services around the world, or already have international business.However, in order for successful start-ups and good returns on large investments, it is necessary to identify existing customers and find emerging markets for the company's various products and services.In addition, comprehensive market research is needed.The main function of market research is to obtain comprehensive information about the market, competitors and customers.Today, most companies are using market research to increase sales of products and services.Due to the fierce competition in international business, it is very important to obtain market research input in the business planning stage to determine the business strategy.It was asked why market research should be done before starting international business planning?In order to expand your business to an international level, there should be two reasons why market research should be thorough.The transmission mode of domestic and foreign market research is very different.In international market research, attention must be paid to every detail including trivial information, which may affect the success of the project.Different cultures in different countries can react differently to the marketing of products, services, products and businesses.This means the seriousness of the benefits generated by the company's products and services.Different cultures may use the product in different ways, not the expectations of the company.Through market research, the company can understand the response of different target markets to products and companies.It also introduces current and future market trends to businesses.The difference between cross-cultural communication has the ability to influence everything from the company logo, the interpretation of the name to the product and service brand.Without prior inspection, it has the potential to cause controversy and loss of goodwill in the host culture.For this reason, these companies should check the cultural details of the country as well as the current and future demographic profiles to determine the business scope and estimated percentage of returns for significant investments in international business