In the context of the increasingly serious pollution situation in rural areas, it is important to analyze the current situation of sewage treatment technology development in China and explore suitable sewage treatment technologies to improve the rate of domestic sewage treatment, promote rural habitat improvement and build a livable and beautiful countryside. Using Meta analysis method, statistical analysis is conducted on the research and patent disclosure of rural domestic wastewater treatment technology in recent years. The current situation of common domestic domestic rural domestic sewage treatment technology is summarized, the removal effect of China's rural sewage treatment technology on the main pollution indexes is analyzed, and the patent application of rural sewage treatment technology is counted, in order to provide a reference value for rural domestic sewage treatment and lay the foundation for achieving sustainable rural development.