This invention discloses an aroma-producing compound from Cymbidium goeringii and the extraction method thereof. The compound comprises octadecatrienoic aldehyde,nerolidol,dibutylphthalate,heptacosane,pentadecanoic acid,pentadecanoic acid,hexadecanoic acid(palmic acid),oleic acid,linolic acid and cyclohexadecane. The aroma-producing compound is extracted from the flowers of Cymbidium goeringii by the following steps: leaching and filtering, reflux leaching, filtering, combined seperation, volatilized speration, concentration and drying. The main discovery is the octadecatrienoic aldehyde, a critical aroma-producing substance. Besides, the extraction rate of the aroma-producing substances is pretty high, with the content upto 30% by using octadecatrienoic aldehyde and nerolidol as the major aroma-producing product. The components of this invention has satisfied the basic requirements as natural flavoring, and can be used in flavoring agents, perfume, scent emitting objects and bath articles, allowing this natural perfume for industrial application.