After-sales service is the most important aspect of after-sales. After-sales service has become the enterprises to maintain or increase market share of elements (such as serta, Tmall, jingdong, etc.)。 Service quality can influence consumers' satisfaction. When buy, product warranty, after-sales service and other relevant regulations can make the customer to get rid of doubts, swing form, made up his mind to buy goods. High-quality after-sales service is the product of the brand economy, in today's fierce market competition, with the improvement of consumers' rights consciousness and the change of consumption idea, consumers no longer only focus on the product itself, in the same products quality and performance are in similar circumstances, more willing to choose these companies with high quality after-sales service.