In the context of the"Dual-Carbon Goals"(realizing carbon peak before 2030 and carbon neutrality before 2060)in China,the park,as the main place for people's work and activities,in-depth exploration of its carbon emission composition,as well as influencing factors and systematic solutions,are of great significance for China.Taking commercial office park as an example,this paper analyzes the principles of building carbon reduction,transportation carbon reduction,living carbon reduction and carbon sequestration,and proposed a carbon emission accounting method based on commercial office park.By analyzing the carbon emission structure and influencing factors of the park,a systematic carbon reduction path is proposed from four aspects:low-carbon planning,platform construction,management means and offset mechanism.From the perspective of carbon reduction economy,the synergistic relationship between cost increment and carbon reduction potential of different emission reduction schemes such as green building,ultra-low energy building and photovoltaic power generation was compared and analyzed,providing a reference for the low carbon construction of commercial office parks.