In the current found that complication in the hospital the prevalence and the evolution of microbial resistance to antibiotics and disinfectants in the hospital. it is clear and sustainable to address contaminated surfaces in hospital are of great interest. Besides measures that deal with person-to-person transmission of pathogens contaminated environmental surfaces provide an important potential source for transmission of many healthcare-associated pathogens due to their persistence on such inanimate surfaces , so it has developed new strategies to prevent contamination of microbial pathogens on the surface of the hospital. The use non-pathogenic microorganisms (Food grade), which used to be part of cleaning surfaces in order to reduce the number of HAIs.