Abstract: Aiming at the problem of automatic verification of intercity train seat replacement results and replacement SMS sending, this article designed a seat replacement information verification system for intercity train. The system adopted REST based Web Service technology to implement the automatic verification of intercity train seat replacement results, and guided the seat replacement according to the verification results, realized the automatic and intelligent management of seat replacement and SMS sending verification. Practice has proved that the system is scientific, reasonable, practical and reliable, and improves the transportation organization efficiency of intercity train marshalling replacement and underbody replacement.