Customer expectation is actually a reference point to evaluate customer service experience. Customer satisfaction is affected by customer expectations. Only when perceived service experience exceeds customer expectations can customers be satisfied. This study constructs a relationship model between customer complaint response and customer satisfaction in real estate enterprises in the Yangtze River Delta. This systematic review research illustrates more about Customer Satisfaction theory in depth by analyzing the moderating role of Controllable Attribution on Complaint Response and Perceived Justice. It is revealed that customer expectation is regarded as the standard of customer satisfaction or dissatisfaction. Customers often compare their perception of actual consumption experience with their expectations. Only when their perception is higher than their expectations will they be satisfied. This research concludes that the higher customer expectations, the lower customer satisfaction, that is, customer satisfaction is negatively related to customer expectations.