octreotide、Ranitidlne、Cimetidine、Nizatidine、Famotidine　Amikacin、Gentamiein、Tobramycin、PeniciUins and Vancomycin added into total parenteral nutritions, respeclwel. The methods we used was to inspect visually, measure the pH, particle size distribution and concentrations after storage for various duration in different temperatures. The results some drugs were stable in total parenteral nutritions,and the others are not.