Urban rail transit has strong transportation capability, but little environmental pollution. Besides, it also saves
land resource. These advantages make the urban rail transit gradually becomes an effective measure to solve city traffic
problems. In order to analyze the impact of the scope and extent of urban rail transit on the real estate, this paper first introduces
the composition of real estate market information system, explains the process of how the urban rail transit influences
the value of real estate by taking the 1st project of line 1 of Zhengzhou urban rail transit in Henan province for example,
finds the semi logarithmic model which has the best regression effects with three hedonic price models and the
collected data from the real estate market information system, and finally works out the added value of real estate generated
by the above urban rail transit.