In order to change the impression of businessman, Zhang Hongrui engaged in business by ethics. He set up Xin Yu Lou in 1984, with the representation of honesty and credibility. This article begins with Xin Yu Lou’s ethics: honesty in business and credibility in nature, then exhibits its unique management feature: enjoyable work and happy life. Based to special governance structure, Xin Yu Lou gets along well with all the stakeholders: Xin Yu Lou regards customer as friend, shows consideration to staff, becomes friend with counterpart and safeguards profit of suppliers. The purpose of this case study is to illustrate the miracle of Xin Yu Lou. The first is the position of human nature – unconditional return, no performance assessment, employee holiday in traditional festival, no heritage on stock which is linked with the post. The second is that desire is substituted by belief – credibility is the premise, and honesty is the beginning. The third is the orientation of target – transcending money, creating happiness, holy land in working, guiding development, all-round life fulfillment. Under the whole circumstance of low credibility in retailing industry, the big advantage of Xin Yu Lou depends on solving information asymmetry (such as guaranteed quality, trial commodity, unconditional return, and etc.), which can save transaction cost. The focus of this case analysis is win-win relations among all the stakeholders, including customers, staff, counterparts, suppliers, which is insisting on the principle of benefit sharing. Business longevity, staff happiness and successful life, customer satisfaction, growing up together with suppliers, joint development with business partners, consumer gains the benefit in the end as a result of win-win. The importance of study is to affirm that the most significant winner is the unit that has thought for others since the beginning in repeated game experiments.