In recent years, as the construction of personal credit investigation system goes on, the personal credit report is becoming more and more widely used. To satisfy demands from all sectors of the society, all levels of the people's bank of China activate the service of personal credit report self-inquiry. Through the statistic analysis of Hefei city’s self-inquiry situation, this article found that, the quantity of self-inquiry is gradually increasing, and finally becomes the barometer of local property market.