Based on the investigation of villages in Guangxi,Shanxi and Western Sichuan,the article tries to introduce the view of regional differences to analyze and interpret the causes of different types of bachelors in different regions,and reveals the complexity of the formation of rural bachelors in rural China,from the dimensions of the degree of involvement in marriage market,marriage cost and dependence on inter-generational support. It is found that that losers in marriage market become bachelors due to their high degree of involvement in marriage market,disadvantageous geographical location and poor economic condition. In rural areas featured by moderate involvement in marriage market but high marriage cost and great dependence on parental resources,bachelors losing parental responsibility account for a large part. In rural areas featured by low degree of involvement in marriage market,low marriage cost and little dependence on parents’ resources,males become bachelors for their own sake.