In this fierce competitive environment, customer is the core factor deciding the existence of banks. Banks which have ability to get attention and build loyalty of customers will win the battle and continue to develop. Business strategies towards customers are becoming the main strategy with a high importance. Cooperating with customers in business, attracting new customers and maintaining current customers become the useful business tools with low fees but they cancreate high business efficiency. Making customers feel very satisfied is always the matter that all banks try to handle with all their capacities. . Result show that what customers want most is that the Bank performs services accurately, quickly with competitive prices. Besides, factors affecting customer satisfaction include service style, convenience, credibility, tangibles, prices and corporate image.