PROBLEM TO BE SOLVED: To provide a method capable of depositing an antibacterial agent on a clothing fabric together with a water-repellent agent even on a fiber product such as a clothing fabric of rain wear, which needs to deposit the water-repellent agent on its surface.SOLUTION: The method uses a water-repellent agent containing a powdery silver-based inorganic antibacterial agent added thereto for water-repellent treatment, and thereby can deposit the antibacterial agent on the clothing fabric together with the water-repellent agent even on the fiber product such as the rain wear, which needs to deposit the water-repellent agent on its surface.COPYRIGHT: (C)2014,JPO&INPIT【課題】レインウエアの生地のように表面に撥水剤を付着させる必要がある繊維製品であっても抗菌剤を撥水剤と一緒に生地に付着させることができるようにする。【解決手段】粉末状銀系無機抗菌剤が添加されてなる撥水剤を用いて撥水処理されるので、レインウエアのように撥水剤を表面に付着させる必要があるものであっても抗菌剤を撥水剤と一緒に生地に付着させることができる。【選択図】なし