The standardization, as a very effective tool, plays a more and more important supporting role in promoting China's policy implementation in the fields of dealing climate change and other areas. In this paper, according to the China national standard GB/T 32151.1 Requirements of the greenhouse gas emission accounting and reporting—power generation enterprise that was published in Nov, 2015, the main content of the standard is interpreted in detail including scope, quantification boundary, quantification methodology, data quality management and reporting. It can help the standard users have a better understand of the technical part.