Who will advance the expenses of the injured in the car accident first, and what should I do if the hospital presses for payment?

The party causing the accident shall pay in advance. How to deal with hospital charges: If the party causing the accident has the financial ability, the party causing the accident can bear it first. If the traffic police has determined the responsibility for the traffic accident and the party causing the accident has already borne the expenses as the responsible person, Can I use the compensation again? Legal basis: Article 1179 of the "People's Republic of China and Civil Code": Whoever infringes upon others and causes personal damage shall compensate for medical expenses, nursing expenses, transportation expenses, nutrition expenses, hospitalization food subsidies, etc. Reasonable expenses for treatment and rehabilitation expenses, and lost income due to missed work. If disability is caused, the cost of assistive devices and disability compensation shall also be compensated; if death is caused, funeral expenses and death compensation shall also be compensated.