| Classification | Parameter type | Software input parameters |
| Accurate parameters | car size parameters | The length, width, height, front suspension, wheelbase and wheelbase of a car. |
| Tire parameters | Tire model | |
| Safety device | ABS configuration | |
| Engine parameters | Engine displacement, power | |
| Measurement parameters | car shape parameters | a b c d e f g 1 2 3 4 5 6 7 8 (Specific meaning refer to PC-CRASH software) |
| Quality parameters | Total quality of accident participants in collision | |
| Position parameter | The relative position and location of the collision point between the participants in the collision. | |
| Displacement parameters | The distance from the collision point to the final position. | |
| Empirical parameters | Velocity parameter | The speed of each participant in a collision |
| Friction coefficient parameters of pavement | The friction coefficient of the tire and the ground | |
| Center of gravity parameter | The center of gravity of each participant | |
| Operating parameters | The brake response time, braking force, steering wheel direction and size of each participant. |