Abstract: The distillation extraction method was used for extracting the volatile components from Guanxin Suhe Wan. The average yield of the oil was 11%, and 19 chemical components were identified by gas chromatography-mass spectrometry (GC/MS). The contents of the identified compounds make up 95.89% of the total volatile substances detected; the major volatile compounds were borneol, isoborneol and benzyl benzoate. The contents of borneol in Guanxin Suhe Wan were determinated by gas chromatography. A good linear relationship between 1.0-5.0 g/L of mass concentrations with peak area ratios was found. The average recoveries of borneol were 98%-106%.