The purpose of present invention is to provide a medicine which has low contamination with a fine-pulverizing medium, is safe and has improved bioavailability.A method for producing a composite organic compound powder for medical use is used which comprises: mixing a poorly water-soluble and crystalline organic compound powder, a physiologically acceptable salt, a physiologically acceptable polyol, and a carboxyvinyl polymer and fine-pulverizing the organic compound powder and removing at least the salt and the polyol during or after fine-pulverizing.
