Abstract: The Application of Laser Micropyrolysis Gas Chromastography Mass Spectrometry System \=in Analyzing the Organic InclusionAuthor \=Jiang Jinpeng,Yang Bin\=(Hangzhou Insitute of Petroleum,CNPC,Hangzhou 310023,China)\=Jin Kuili\=(Beijing Graduate School,China University of Mining and Technology,Beijing 100083,China)\=\=Received 19971201\=\= Abstract \=\;With the successful development of the Laser Micropyrolysis Gas Chromastography Mass Spectrometry System(LMPY-GCMS),its function is being opened up.In the text,the chemical component of the single organicinclusion is studied using the LMPy-GCMS,which is the first of its kind in our country.LMPy-GCMS provides a new method for studying the oilgas system.It is proved that LMPy-GCMS is an insituanalysis instrument with many uses.\=\=Key Words: laser micropyrolysis gas chromastographymass spectrometry system,oilgas system,organic inclusion.