In order to know ornidazole compound solution's germicidal efficacy, suspension quant. germicidal test was carried out.The compound ornidazole solution containing ornidazole [1-(3-chloro-2-hydroxypropyl-2-methyl-5 nitroimidazole)] 800 mg/L with a 5 min contact time killed over 99.98% in average of Escherichia coli, Staphylococcus aureus and Candida albicans in suspension and the same solution with a 10 min contact time killed 100% of these bacteria.The germicidal efficacy of this solution increased with increasing concentration of ornidazole or prolonging the contact time.Animal test indicated that the stock solution of the ornidazole solution was not irritating to skin and did not induce allergic reaction.After ornidazole compound solution was stored at 37°C for 3 mo, its ornidazole content decreased by 5.88%.Jusanqi ornidazole compound solution has good germicidal efficacy, does not induce allergic reaction and is not irritating to skin and stable during storing.