This article issued the ethical significance to strengthen rural health work. Authors think strengthening rural health work is a concrete embody for serving the people wholeheartedly;beneficial to realize the health service fair and to promote the rural socialist spiritual civilization construction.

To perform well the health services to the peasant workers ,which is the essential demands to construct a coordinated society and the responsibility of government;and also available to achieve the fairness of health services;benefit to the peasant workers to share the equai right of health,which displayed the socialism humanitarianism.

Objective To analyze the factors for willingness to pay(WTP)in different quantiles and to provide evidence for formulating premium of minors covered by Urban Residents'Basic Medical Insurance.Methods In a field survey,the study adopted the contingent valuation method and quantile regression to measure and analyze the WTP.Results The influencing factors and degree of influence varied in different quantiles.Annual household income was significant in 10 of 11 quantiles with the maximum marginal effect of 350 yuan.Whether the insured comes from a village in a city affects 8 of the 11 quantiles whereas gender,age and health conditions of minors have minor effect on willingness to pay.Conclusion The premium standard should be raised from 40 yuan per person per year to 100 yuan.Minors can be categorized into subgroups and be set with distinct premiums in terms of the significant influencing factors and its influence degree.