This paper combs and expounds the process of tourist homestaying in Shandong Province from germination，starting and rapid development to gradually becoming standardized and starting the cluster construction，and analyzes the dynamic mechanism of the government to promote the industrial progress. It summarizes the characteristics of tourism homestays in Shandong Province，such as integrating regional resources，pursuing design features，highlighting individuality by market segmentation，highlighting quality effect of homestays at the top，and promoting the transformation and upgrading of B&Bs into gathering areas. Countermeasures and suggestions for sustainable development of homestay industry in the future are put forward：it is necessary to clearly define the concept of homestay tourism，strengthen policy linkage，scientific planning，strict management quality，deep integration of regional culture，and continue to promote the development of chain operation and industrial cluster.