The goal of this study is to let maritme policers look into their actual tasks, and to identify the required competences, main factors, and improvements in the performance of their roles. We expect that it could be used as fundamental data on the role performance of maritime police. In order to achieve the goals, 104 maritime police officers on duty are selected as subjects for the study, and data collection was conducted using open questionnaires that formed questions to identify important factors in the role of maritime police. The responses carried out keyword network analysis, and the results of the study are as follows: First, the most frequently mentioned keyword in capacity response required to perform the role recognized by maritime police was shown as rescue capacity (140), the second most mentioned keyword was physical strength (40), and the third was investigative ability (36). Keywords associated with each keyword based on the value of connectivity centrality were first examined in order of structural capacity, physical strength, investigative ability, and swimming ability. Second, the most frequently mentioned keyword in the response to important factors in maritime police role performance was structural capacity (98), the second most mentioned keyword was investigative capacity (67), and the third was personality (51). The most frequently mentioned keywords associated with each keyword were investigated in the order of investigative capacity, rescue capacity, sense of mission, personality, and integrity. Third, keywords for responding to improvements in the role of maritime police were found in the order of rescue capability (31), personnel management system (25), equipment improvement (23), and swimming ability (22). The most frequently mentioned keywords associated with each keyword were structural, personnel, and swimming.