The utility model relates to a contact order -checking device relates to automatic test technical field. The main technical scheme who adopts does: a contact order -checking device which includes: a common port terminal and N terminal, order -checking circuit and display module, the common port terminal is used for connecting the public connectin end of circuit breaker, and first terminal to the Nterminal of a N terminal is used for being connected at the M warning tie point that driving pressure decline in -process was reported to the police in proper order with the circuit breaker in properorder, the display module holds the N logic circuit output end to be connected with a logic circuit output respectively for show the intercommunication order of a logic circuit to N logic circuit, wherein, N is more than or equal to 3's positive integer, and M is more than or equal to 2 less than or equal to N's positive integer. The utility model provides a contact order -checking device, it canbe automatic, quick checks order to the order of connection of fluid pressure type high voltage circuit breaker's warning contact.