This article is focused on the residential and commercial zone of two main traffic-axis range in a semi-circle of 40 meters in Tainan city. This article researchs for land price structure distribution to see whether it is in accordance with the Bid-rent theory offered by Alonso in 1964 or not. It is said that land price will gradually decreases from downtown to suburb. This article aims at building a land price model by regression and three kinds of linear, semi-log linear and log-linear functions, and attempts to realize the relationship between land price and the influential factors of land price. Generally, land price can be defined by two ways: market price and official current value. This paper will make a relative analysis between market price and official current value.