In addition to handling high-frequency public security service matters, the "police uncle APP" to "prove who you are" to the police big data. app on the data have been certified by the police, has a strong authority. For example, the electronic ID card, driver's license and other documents, can replace the paper documents, used in many applications.

Before the expiration of the driver's license, driving license, ID card, mobile population residence permit and other documents need to be replaced, the police uncle App will send a reminder message to the user.