To provide a thiamine laurylsulfate preparation which is stably useable for a wide range of applications and readily useable, namely the thiamine laurylsulfate preparation free from solvent odor, having rapid defoaming property, stably dissolving a thiamine laurylsulfate without depositing crystals even when used for low-temperature liquid product containing salts and even when thiamine laurylsulfate concentration in applied products is increased and excellent in storage stability.

The powdery thiamine laurylsulfate composition is an inclusion composite of a thiamine laurylsulfate with a cyclic oligosaccharide which is a combination of one or more cyclodextrins selected from type and type cyclodextrins with a maltosyl type cyclodextrin.