在交通事故医疗费用承担医院与伤者是医疗服务合同关系。医院与交通肇事者和保险公司是事实上、法律上形成附保护第三人利益的合同。交通滋事人、责任保险人与医院是法定债权、债务关系。医院与伤者、交通滋事人、责任保险人之间的债权、债务性质为不真正连带之债。 Medical expenses in traffic accidents bear the hospital and the wounded is a medical service contractual relationship. Hospitals and traffickers and insurers are, in fact, legally formed contracts that protect the interests of third parties. Traffic accidents, liability insurers and hospitals are legal claims, debt relationship. Hospitals and wounded, traffic accidents between people, the insurer claims, the nature of the debt is not truly joint and several liabilities.