Since the implementation of Government Procurement Act, the competent authority ¡X Public Construction Commission, Executive Yuan ¡X had set up 40 kinds of sub-laws and more than ten of related operation regulations so as to be the foundation of handling procurement for procuring organs and suppliers. The regulations of government procurement are therefore more complete. While under this circumstance, the dispute of government procurement is increasing day by day. What are the real causes behind the phenomenon? When the two parties had the dispute about procurement, it will incur numerous extra human and substantial costs. If we do not choose corrective approaches to resolve these disputes, not only the two parties waste resources, but also seriously impact the performance of dealing procuring dispute for organs. This situation will be more obvious to the port authority in our study that is located in the key position of sea transportation and transshipment. In this study case, the port authority will deeply suffer the dispute of procurement because it has to provide superior service for shipping company to match the tendency of vessels¡¦ type enlargement. This study explored the ever-happened dispute cases in a port authority and sorted out causes, types, settling ways of procurement dispute and performance of resolving procurement dispute from literatures, and then discussed with main professionals in related business fields to draft adequate questionnaire, going on survey to the members who real did the procurement duty in the port authority. This study got 105 copies of effective surveys, and then preceded factor analysis, correlation analysis, and path analysis to not only verify the hypotheses proposed, but also understand the practices and views of members in the port authority. The conclusions from this study included: 1. Most of procurement dispute happened in the stage of contract implementation. There is huge ratio of concerning cases from representatives. The usual way of resolving procurement dispute is through the appeal to Complaint Review Board of Government Procurement. 2. Different kinds of members got different cognitions in some dimensions. 3. The result of factor analysis shows that there are four significant factors, including perfect regulations, regulations¡¦ acknowledge, training enhancement, and complete documentation. But the primary factors affecting types of procurement dispute are regulations¡¦ acknowledge and training enhancement. Among all four factors, regulations¡¦ acknowledge has the most effect on type of procurement dispute. 4. Type of procurement dispute has positive effect on way of resolving procurement dispute. 5. Way of resolving procurement dispute has positive effect on performance of resolving procurement dispute.