Carbon emission accounting is an important foundation for implementing the “carbon peak” and “carbon neutrality” goals.In response to the lack of a unified accounting system in port areas,based on Accounting Methods and Reporting Guidelines for Greenhouse Gas Emissions from Land Transport Enterprises (Trial) and Standard for Building Carbon Emission Calculation,we confirm the scope and content of port carbon emission accounting,take fuel,electricity,heat,water,air conditioning refrigerant and green space as the accounting content of the port area carbon emission,and calculate and summarize the carbon emission factors for the accounting content.Then we take a container terminal as an example to apply the carbon emission accounting system,and propose a carbon reduction path based on the carbon emission accounting results.The results show that the method has the characteristics of quick calculation,and can provide a scientific basis for the carbon emission accounting of the port area.