He doesn’t have that much elasticity and elasticity
Completely follow the tutorial
Car Tutorial - Tips and Tricks - Ragdoll Forums (ragdolldynamics.com)
Hi @shenqixiaozhizhu, welcome to the forums! 
Looks like the upload of your video did not finish before posting, would you mind trying again? Also, can you be a bit more specific about the problem you are facing?
This is the tutorial you previously created
According to the tutorial, I got a good car, but it’s different from the video at the bottom of the webpage
The small car falls from a height without any elasticity, similar to the suspension of a car
That video is at the bottom of your tutorial
Car Tutorial - Tips and Tricks - Ragdoll Forums (ragdolldynamics.com)
Sorry, I don’t know how to post a video. My English is not very good
Thank you
To upload a video, save your video as a .mp4 file less than 10 mb and drag’n’drop it into your reply. If you cannot make it less than 10 mb, try making it smaller and shorter.
I want this
Aha, yes now I see. Try setting Translate Motion = Soft on the wheels, and tune the Translate Stiffness and Damping to control the look.
I succeeded. You’re amazing. You’re such a genius. Thank you very much
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