Since reform and opening-up, the process of urbanization of the country has been obviously accelerated in China. But the past urbanization policy has seriously hindered the original styles of cities, especially the traditional residential Houses in these cities. According to the field research on the the traditional residential Houses of Kaifeng City, this paper discusses the protection strategy for LeGuan Street, and gives some advices of development on turisms, educations, so as to realize the sustainable development of the street.