This paper applies public goods theory to analyze the establishment and maintenance of langsailin irrigation station in Deji Village, Zhanang County, Tibet. It uses local equilibrium analysis methods to analyze effective supply of rural public goods in Tibet. The research results show that the government should improve its efficiency in order to achieve an increased supply of public goods with limited financial resources. This means that in order to achieve an increased efficiency the government should not only generously increase the supply of rural public goods, it should also adjust to the ...