RESUMEN
Objective:To evaluate equity on the basic medical insurance system in Tianjin , and further analyze the existing problems .Methods:To assess the equity from horizontal and vertical aspects .The horizontal equity eval-uation indicators include equity on the insuring , financing and the utility of medical service;while the vertical ones include population ageing , pay-as-you-go ( PAYG system ) and the impact of health insurance on individual accounts equity.Results:The insurance opportunities , and urban and rural residents financing are more equitable;fund rai-sing among different income groups , actual funding burden rate , medical service utilization between urban and rural residents, and aspects of generations and personal accounts are comparatively unfair as well .Conclusion:This paper proposes to further expand medical insurance coverage , make different contributions , deductible and ceiling lines based on different income groups , improve community health service system , gradually establish and improve elderly care insurance system , and cancel the retiree basic medical insurance personal accounts .