With the development of China's economy, it is found that the importance of corporate social responsibility is increasing. SME as a large proportion of the economy, its importance is evident. Logistics industry in China developed very fast in recent 30 years, it has formed a large-scale industry. Due to the nature of logistics industry, the impact on environment is huge, the demand of CSR is increasing. Many large companies have already adopted CSR in recent years, but SMEs receive less attention. In this thesis, we conducted a case study of a small logistics company which has implemented CSR from its very beginning. From the case study, we compared the company’s behaviors and the existing theories and explained how does a SME work with CSR. It is approved that most of CSR theories can apply to a Chinese logistics SME. The company applied CSR into business strategy from the very beginning, communication with stakeholders plays a very important role in CSR strategy, and the company owner’s personal attitude and background plays a decisive role. In the end, we found out the advantages that CSR can bring to Chinese logistics SME. It can improve company’s reputation, employee’s loyalty and customer’s satisfaction, thus improve company’s sales and other business opportunities.