１　目的为了总结大病合作医疗制度实施１１年来的成效与得失，分析参加对象、资金来源、筹集标准、渠道、报销范围、方法和管理层次等因素对大病合作运行质态的影响，探讨如何进一步完善、提高大病合作医疗制度，以便逐步向医疗保险过渡。２　资料来源本市市、乡两级历年来大? 1 Objective To summarize the effectiveness and successes of the major disease cooperative medical system over the past eleven years, analyze the impact of factors such as participants, sources of funds, fund raising criteria, channels, reimbursement coverage, methods, and management levels on the quality of major disease cooperative operations, and discuss how to further improve , to improve the system of serious illness and cooperative medical care, in order to gradually transition to medical insurance. 2 Sources of data The city’s city and township levels have been large over the years?