Abstract:The desig n of passeng er ca r technical servicing depo t has been studied in this a rticle in acco rdance w ith the speed raising t rain running at present , The autho rs ex pound the new co ncept of demarca ting the passenger car tech nical servicing depot s w ith tw o ra nks and dividing the service t racks into service t rack a nd t rain-set sto pping and put ting siding. The autho rs also demo nst rate in par ticular the majo r installations a nd inspectio n equipment used in passenger car technical serv cing depot.