The trip code domestic accurate to the province and city to stay more than 4 hours will be recorded, do not need to fill in the information can be queried in the first 14 days of their own domestic stay in the city of 4 hours with visits to other countries, the query by the user initiative to launch, the available cell phone software (WeChat, Alipay, etc.) scanning access to the query page, or WeChat small program to search for the communication trip card to enter the small program, enter the cell phone number and click to get the verification code, after successful verification click on the query, you can return to the query results.