As a victim, there is no need to pay back. It should be repaid by the person responsible for the traffic accident. If the rescue expenses exceed the limit of liability, and they do not participate in compulsory motor vehicle third-party liability insurance or escape after the accident, the social assistance fund for road traffic accidents shall advance part or all of the rescue expenses in advance, and the social assistance fund management institution for road traffic accidents shall have the right to recover from the person responsible for the traffic accident.

legal basis: article 75 of the road traffic safety law of the people's Republic of China * * * medical institutions shall promptly rescue the injured in traffic accidents, and shall not delay the treatment because the rescue expenses are not paid in time. If the vehicle involved in the accident participates in compulsory motor vehicle third-party liability insurance, the insurance company shall pay the rescue expenses within the limit of liability; If the rescue expenses exceed the limit of liability, and they do not participate in compulsory motor vehicle third-party liability insurance or escape after the accident, the social assistance fund for road traffic accidents shall advance part or all of the rescue expenses in advance, and the social assistance fund management institution for road traffic accidents shall have the right to recover from the person responsible for the traffic accident.

million car purchase subsidy