The present invention relates to novel microorganisms having the efficiency of removing an offensive odor from organic waste and the use thereof. More particularly, the novel microorganisms have the effects of preventing or removing the offensive odor from organic waste, killing insects and fungi, preventing decomposition, and promoting digestion and fermentation. The inventive microorganisms have the effects of preventing or removing the offensive odor from organic waste and killing noxious insects and plant pathogenic fungi, can be used as feed additives and antibiotic substitutes, and also are useful for the preparation of fermented healthy foods.