Numerous incidents of dangerous goods leakage appearing in the news have necessitated increased care in the management of dangerous goods by all concerned sectors, with the ports being considered a danger point due to the vast quantities of dangerous goods passing through.The purpose of this research is to study the situation relating to management of dangerous goods by shippers/consignees or freight forwarders importing and exporting dangerous goods through the ports, using Laemchabang Port as the study area. In carrying out this research, the researcher had compiled information by using questionnaire and interviewing relevant people, comprising large-scale shippers/consignees, small- and medium-scale shippers/consignees, and freight forwarders, being the owner of the goods/agents, as well as the warehouse operators and handlers of the dangerous goods, being the operators/workers at the Port. The overall result of the research shows a high standard of management, except for some factors. Large-scale shippers/ consignees is the group which has the highest performance in conducting business according to regulations and standards of dangerous goods management in every related factor, which are: dangerous goods and packaging category, containers and equipment category, regulations and stipulations category, personnel category, and information technology and danger prevention category; while freight forwarders show a high standard of handling of dangerous goods directly relating to their business, which are dangerous goods and packaging category, container and equipment category and declaration of documents as per regulations. Small- and medium-scale shippers/consignees show lower standard of management compared to the other two groups.