In today's globalized business environment, many enterprises are expanding their operations overseas, including opening stores in foreign markets. With the increasing competition, it has become crucial for these enterprises to effectively manage their customer relationships in order to maintain a competitive edge. Customer Relationship Management (CRM) processes play a vital role in this regard, as they help in understanding and meeting the needs of customers, thereby improving customer satisfaction and loyalty. However, evaluating the improvement effect of overseas store enterprise's CRM process can be a challenging task. One effective way to do this is through the use of experimental design methods. Experimental design allows for a systematic and controlled approach to evaluating the impact of changes in the CRM process on customer satisfaction and loyalty. The first step in using experimental design to evaluate the improvement effect of overseas store enterprise's CRM process is to define the objectives of the evaluation. This may include identifying specific aspects of the CRM process that need improvement, such as customer communication, data management, or customer service. Once the objectives are defined, the next step is to design the experiment. This involves identifying the variables that will be manipulated, such as changes in the CRM process, and the variables that will be measured, such as customer satisfaction and loyalty. The experiment should also include a control group, which will not receive any changes to the CRM process, in order to compare the results. After the experiment is designed, it is important to implement the changes to the CRM process in the overseas store enterprise. This may involve training employees, implementing new technology, or changing business processes. It is important to carefully document the changes that are made in order to accurately measure their impact. Once the changes are implemented, the next step is to collect and analyze the data. This may involve conducting surveys, analyzing sales data, or monitoring customer feedback. The data should be analyzed to determine whether the changes to the CRM process have had a positive impact on customer satisfaction and loyalty. Finally, the results of the experiment should be used to make informed decisions about the CRM process in the overseas store enterprise. This may involve making further changes to the CRM process, or it may involve rolling out successful changes to other stores in the overseas market. In conclusion, using experimental design methods to evaluate the improvement effect of overseas store enterprise's CRM process can provide valuable insights into the impact of changes on customer satisfaction and loyalty. By carefully designing and implementing experiments, collecting and analyzing data, and using the results to make informed decisions, enterprises can effectively improve their CRM processes and maintain a competitive edge in the global market.