According to Article 92 of the Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China:

If a party escapes after a traffic accident, the escaping party shall bear all the responsibilities. However, if there is evidence that the other party is also at fault, the liability may be reduced.

if a party intentionally destroys, forges the scene or destroys evidence, it shall bear all the responsibilities.

Extended data:?

Chapter V Handling of Traffic Accidents

Article 86 If there is a traffic accident between a motor vehicle and a motor vehicle, or between a motor vehicle and a non-motor vehicle on the road that has not caused personal injury or death, and the parties concerned have no dispute about the facts and causes, they should leave the scene and negotiate for damages by themselves after recording the time and place of the traffic accident, the name and contact information of the other party, the vehicle number, the driver's license number, the insurance certificate number and the collision site, and signing them together. If a party disputes the facts and causes of a traffic accident, it shall promptly report to the police.

article 87 if a traffic accident occurs between a non-motor vehicle and a non-motor vehicle or pedestrian on the road, and no personal injury or death is caused, and the basic facts and causes are clear, the parties concerned shall first evacuate the scene, and then settle the matter of damages through negotiation. If a party disputes the facts and causes of a traffic accident, it shall promptly report to the police.

article 88 if a motor vehicle has a traffic accident, causing damage to roads, power supply, communications and other facilities, the driver shall call the police and wait for treatment, and shall not leave. If a motor vehicle can be moved, it shall be moved to a place that does not hinder traffic. The traffic administrative department of the public security organ shall notify the relevant departments of the accident.

article 89 the traffic administrative department of the public security organ or the traffic police shall rush to the scene in time after receiving the traffic accident alarm. if there are no casualties, the facts are clear and the motor vehicle can move, they shall order the parties concerned to evacuate the scene and resume traffic after recording the accident. Those who refuse to leave the site will be forced to leave.

the traffic police can apply summary procedures to deal with road traffic accidents under the circumstances specified in the preceding paragraph, and issue an accident confirmation on the spot. If the parties request mediation, the traffic police can mediate the dispute over damages on the spot.

if road traffic accidents cause casualties and property losses, the traffic administrative department of the public security organ shall conduct an inquest or inspection on the site, and the investigation shall be conducted in accordance with the work specifications of the site. After the on-site investigation is completed, the organization shall clean up the site and restore traffic.

article 9 if a motor vehicle insured with compulsory motor vehicle third-party liability insurance has a traffic accident and the insurance company needs to pay the rescue expenses for rescuing the injured, the traffic administrative department of the public security organ shall notify the insurance company.

if the road traffic accident rescue fund needs to pay the expenses in advance to rescue the injured, the traffic management department of the public security organ shall notify the social relief fund management institution of the road traffic accident.

article 91 the traffic administrative department of the public security organ shall determine the responsibility of the parties concerned according to the role played by their actions in the occurrence of traffic accidents and the severity of their faults.

References:

Public Security Traffic Management Bureau of Beijing Public Security Bureau.