Ginseng can supplement qi, benefit the lung, promote fluid production and relieve thirst, tranquilize the mind and improve intelligence.  It is reputed for its significant effect as a strong tonic and medication in prevention and treatment of diseases.   It enjoys the reputation of “king of medicinal substances” Panaxoside is the major active principle of ginseng. There are over 10 kinds of panaxosides according to sapogenin produced after hydrolyzation.  The three groups of panaxosides are Rb Group including Ra,Rb1,Rb2,Rc,Rd), RgGroup (including Re, Rf, Rgl, Rg2,) and Ro Group.  The sapogenins are panaxadiol, panaxitriol and oleanolic acid respectively.  Rb and Rg groups are stronger than Ro Group in physiological activity.  Modern researches show that panaxoside can increase the number of leukocytes, boost immunity, promote metabolism, build up health, enhance myocardial contractility, relieve fatigue, improve hemopoiesis and delay aging.  It is mainly used in the treatment of coronary heart disease, menopausal syndrome, acute diabetes mellitus, neurasthenia and supplementary treatment of tumors.