OBJECT The object of present invention is to provide an organic compound nano-powder conveniently, with low cost and with less contamination of impurities to be removed. MEANS FOR SOLVING The present inventions relate an organic compound nano-powder comprising a granular organic compound with an average particle diameter of 500 nm or less and a 90%-diameters of less than 1500 nm and a carbohydrate compound comprising at least any one of a sugar and a sugar alcohol and with amount of 0.3 times or more by mass relative to amount of the organic compound, a method for producing the same, and a suspension having the organic compound dispersed in a liquid dispersion medium in which the organic compound is insoluble or poorly soluble.
