A one-shot packaged unblended liquor and assembly, and a personalized pre-ordering method based on liquor tasting habits. The one-shot packaged unblended liquor comprises a liquor bottle. The volume of the liquor bottle is 10-50 ml, and unblended liquor is packaged in the liquor bottle. The unblended liquor is made by subjecting liquor-brewing raw materials to fermentation and distillation in a specific fermentation pit, without being blended or a liquor mixing process. The one-shot packaged unblended liquor assembly comprises a packaging box, the one-shot packaged unblended liquor being provided in the packaging box. The personalized pre-ordering method based on liquor tasting habits is used for pre-ordering the one-shot packaged unblended liquor assembly.