With the rapid development of Internet technology and high house prices, more and more people are looking for suitable rental house through the Internet. At present, there are many house rental websites on the Internet, and renters need to register and log in on each websites. The search and inquire process is tedious, and the user experience is not good. Based on scrapy open source crawler framework, this paper designs and implements a house rental information search system, which collects house information from multiple house rental websites, converts the data format, and provides users with unified and diversified house rental search and display functions.