It is the root (or with rhizome) of Panax ginseng C.A. Mey., family Araliaceae. Acting on the central nervous system including excitation and inhibition processes. Exerting significant cardiotonic and hypertensive effects on acute circulatory failure after heavy blood loss. Decreasing the level of blood sugar. Promoting phagocytosis and enhancing lymphocyte-blastogenesis rate.