In fact, foreign trade is sales. No matter from customer analysis, purchasing demand and customer psychology, we should know the roots of the customers, to answer all the customers' problems, to analyze the customer's psychology in advance, to prepare in advance and solve the problem when the customer ask questions. Show your professionalism. At the same time, do business can not be urgent, stable and stable, can not be greedy for the immediate interests, in the long run, there are customers, more long-term plans, stable cooperative relations, may form a fissile relationship and help you develop more customers. In the process of developing and maintaining customers, we must be frank and honest. In order to win long-term trust, we must ensure quality and quantity, and patiently cooperate with customer requirements.