Background: The coastal situation in Indonesia with thousands of islands and its area, the use of Ultra Sono Graph (USG) as a tool for general practitioners will be useful to facilitate examinations, consult with experts, and make referrals easily and quickly. Objective: For ultrasound readings that require decisions, using the Decision Support System makes it easier and there are friends to discuss, indirectly with experts, even machines. Theoretical Basis: DSS is very important to clarify and speed up decision-making with the help of software and computers. Use Process: The ultrasound software will guide and direct the appropriate diagnosis so that decisions can be made or referred and handled quickly and precisely. DSS will be very useful in preventing accidents among diving fishermen, by using the P02 benchmark which is easy to use. Conclusion: The use of the Decision Support System for normal and abnormal pregnancy ultrasound is beneficial for coastal area support for early diagnosis and implementation of a referral system. By looking at examples of use like this, it is recommended to create a Decision Support System for Diving Fishermen.