In this study, it discussed the selecting pattern of salvage contract from the perspective of shipowner. By establishing a decision matrix and it would help shipowner to choose a proper salvage contract. This study analyzed 20 different marine salvage cases from Lloyd's Salvage Arbitration Branch in order to sort out the four main factors in the marine salvage. We utilized grey relational analysis to verify the factors found above and the result was in consistent with the finding. Decision matrix, a concept of risk matrix, was also used to verify the decision making. We used another 4 marine salvage cases to verify the decision matrix and the result was accurate and workable. It showed that the three key factors in selecting salvage contract were crew's ability in self-relieving, shipowner's judgment on the level of emergency and salvor's evaluation on the degree of danger. By using this study, shipowner can make a proper and prompt decision in choosing salvage contract.