The contents of the major ginsenoside-Rb1, -Rb2, -Rc, -Rd. -Re, -Rf, -Rg1 and -Rg2 from Panax quinquefolium of Jilin Province and that of America were comparatively determined with high-performance liquid chrom-atography. The results and data obtained provide a scientific basis for establishing the standard of quality of Panax quinquefolium for Jilin Province and our country, and at the same time serve as a testimonial to successful introduction of this medicinal plant to China.