This is generally unnecessary. Cutting double eyelids belongs to micro plastic surgery. There is little change, and it will not affect ID card verification. The train station is sure to be fine. However, if you fly, you need to bring an identity document within the validity period, and it is best to have a treatment certificate. If there is a big difference between the photo of the passenger's ID card and my current appearance, please go to the public security organ to update the ID card information in time, so as not to bring inconvenience to the passenger.