Use of Lactobacillus paracasei for preparing for a combination for alleviating axillary osmidrosis is provided in the present invention, wherein Lactobacillus paracasei refers in particular to Lactobacillus paracasei GMNL-653, featuring abilities of aggregating and inhibiting pathogens of axillary osmidrosis for alleviation of armpit odors and presented as a topical medication or a combination of cosmetics in which fragrance is added.