Embodiments relate to : a system for estimating the market price of real estate by using big data; and an estimation method using the same, the system comprising : a real transaction price acquisition unit for acquiring a real transaction price and building-related information of real transaction real estate located within a predetermined region on the basis of real estate to be evaluated; a learning model generation unit for generating a transaction price estimation learning model by using the acquired real transaction price and building-related information of the real transaction real estate; and a market price estimation unit for estimating the market price of the real estate to be evaluated by applying building-related information of the real estate to be evaluated to the transaction price estimation learning model.