Online　reviews　are　of　great　importance　in　supporting　the　purchasing　decision　making　of　online　consumers.　With　the　prospering　of　e-commerce,　increasingly　fraudulent　reviews　are　appearing　on　e-commerce　platforms　to　mislead　consumers,　and　an　increasing　number　of　consumers　are　worrying　about　being　deceived　in　online　shopping.　However,　little　research　effort　has　been　invested　in　studying　the　impact　of　review　credibility　perception　caused　by　online　review　fraud　on　product　sales.　To　fill　this　research　gap,　this　paper　conducts　empirical　research　on　the　moderating　effect　of　consumers＇　credibility　perception　of　online　reviews.　Here,　review　credibility　perception,　or　consumers＇　credibility　perception　of　online　reviews,　refers　to　the　credibility　or　trust　that　con　-sumers　have　in　the　reviews　they　are　reading.　Building　on　dual-process　theory,　this　paper　develops　two　hy-potheses　to　understand　why　and　how　review　credibility　perception　influence　consumer　decision-making　behaviors.　The　empirical　studies　in　this　paper　demonstrate　that　consumers＇　credibility　perception　of　online　re-views　moderate　the　effect　of　review　sentiment　on　product　sales.　This　work　also　found　that　consumers＇　credibility　perception　of　online　reviews　have　a　heterogeneous　effect　on　product　sales.　The　effect　shifts　the　relationship　between　review　sentiment　and　product　sales　from　an　inverted　U-shape　relationship　to　a　monotonous　positive　relationship　with　the　improvement　of　consumers＇　credibility　perception　of　online　reviews.　This　study　has　great　managerial　implications　for　platforms　and　vendors　to　improve　online　review　management.