Since the government launched the data open policy in 2012, more than 30,000 data sets have been opened to the public for free. Many of these materials contain geographic information which can be used for the Location-Based Service(LBS) . Since 2016, the popularity of Chatbot applications have been on the rise. Together with the maturity of Artificial Intelligence (AI) and voice technology, the chat robot ecosystem has flourished. This research develops a chat robot that uses soc-economic and real estate transaction data, using cloud technology as the back-end server, the front-end uses the LINE Chatbot to assist users retrieve the local real estate information.