Global warming caused by greenhouse gas emission may cause severe environmental and social problems.As climate problem is becoming increasingly serious,the preparation of greenhouse gas emissions inventory has become important basic work of research on greenhouse gas.Some researches hve been undertaken on greenhouse gas accounting and some progresses have been made.However,there are many shortcomings in this research field.The main problem is that current research is mainly focused on carbon emission,particularly carbon emission from fossil fuel combustion,and is less involved in carbon fixation and ways of assessing regional carbon emission levels.Although much research were related to carbon emission,the results are difficult to compare owing to inconsistent research methods and standards. Based on the IPCC Guidelines for National Greenhouse Gas Inventories and the Provincial Greenhouse Gas Inventory Preparation Guide of China,this paper analyzed the dynamic of greenhouse gas emission in Hunan Province during 1995-2011.The results showed that,the component of greenhouse gas emissions wass predominant with CO_2,with a proportion of 79.25%to the total emissions,and the second part is CH_4 and the third part is N_2O with a proportion of 16.95%and 3.79%,respectively.Energy consumption is the main reason for the increase in greenhouse gas emissions in Hunan Province,and forestry carbon sequestration ability needs to improve.Greenhouse gas emissions by energy consumption,agricultural production,waste treatment and cement production was 421.5、641.6、592.2、498.8Mt CO_2e,of which accounted for 70.87%,10.79%,9.96% and 8.39%,respectively.Forestry performance for carbon sequestration effect with a 18.2Mt CO_2e,of which fixed 3.06% of the total greenhouse gas emissions. From 1995 to 2011,the greenhouse gas emissions increased from 241.7 to 594.7Mt CO_2e in Hunan Province,ant its fluctuations can be divided into the slowly decrease stage(1995-1999),the slow rise stage(1999-2003)and the rapid growth stage(2003-2011).The greenhouse gas emission per 10000 Yuan GDP reduced from 10.64 to 2.93,indicating that carbon reduction technology has made great progress and energy efficiency has been greatly improved in Hunan Province.However,the greenhouse gas emission per capita had increased very quickly from 3.65 to 8.07tCO_2e.The greenhouse gas emission increasing trend cannot be ignored.So it is urgent to reduce greenhouse gas emissions.Countermeasures for greenhouse gas emission reduction in Hunan province were put forward at the paper.First,actively explore new energy and to enhance the energy utilization efficient.Secondly,increase the vegetation cover rate to increase the carbon sequestered ability in vegetation.Thirdly,advocate low carbon life.Fourthly, accelerate the development of low carbon economy and green economy.