In order to make all kinds of special products of the wood vinegar for pear,the organic components of wood vinegar for pear were analyzed with gas chromatograph-mass spectrometer(GC-MS).The results indicated that wood vinegar for pear was a kind of quite complicated compounds.The organic components of wood vinegar which was collected at the temperature 90~ 240 ℃ were mainly composed by alcoholic compounds,ketonic components,phenolic compounds and organic acids.