In order to explore the potential of Phyllostachys pubescens used as resources utilization on biomedcial, determination of the chemical components in five-year-old Phyllostachys pubescens was carried out by means of Py-GC/MS. 69 peaks were obtained from Phyllostachys pubesces and 62 compounds which occupy 99.99% of the total peaks areas were identified. The main components in Phyllostachys pubescens were pcetic acid (12.22%), pcetone(11.36%), propanoic acid, 3-amino-2-methyl-(7.57%), 2-propanone, 1-hydroxy- (6.07%), 2,3-butanedione (3.78%), pro...