Enterprises to retain customers can not simply rely on the product itself, the need to achieve by improving customer satisfaction. And after sales technical support plays an important role in improving customer satisfaction, this paper discusses the relationship between after sales technical support, customer satisfaction and customer satisfaction.

Keywords: customer service technical support; customer satisfaction: Customer service (Service Customer) is a customer oriented value concept, which integrates and manages all the elements of the customer interface in a pre - set optimal cost - service portfolio. Broadly speaking, any content that can improve customer satisfaction is within the scope of customer service.

Customer service includes pre sales, service and after sales service.

For example, communications companies, after sales technical support is the main form of after-sales service, or technical support service is the most important content.