Objective To understand the bactericidal effect of four kinds of commercially available iodine disinfectant and the status of iodine disinfectant product quality. Methods Suspension quantitative germicidal test method was used to test the germicidal effect of four iodine disinfectant products sampled randomly. Results The average killing rate of Escherichia coli,Staphylococcus aureus and Candida albicans were just above 99. 9% by effective iodine 300 mg / L and 1 000mg / L complexing iodine for 10 min respe...