The utility model discloses a tunnel connector plates bolt hole punch, including the cope match -plate pattern, correspond from top to bottom and be fixed in the lower bolster on the base with the cope match -plate pattern, connect on the cope match -plate pattern the tool bit fixed plate with connect on the tool bit fixed plate and two tool bits of downwardly extending, set up on the lower bolster the locating plate with the recess board punches a hole, having the recess board that punches a hole that punches a hole and setting up in the locating hole of locating plate, still be provided withtwo elastically positioned bolt holes on the locating plate, the distance that the distance of two tool bits and tunnel connector plates went up two horizontal bolt holes is unanimous, the elastically positioned bolt hole with correspond distance and tunnel connector plates between punching a hole go up vertical two bolt holes apart from unanimously. The utility model discloses but two horizontalbolt holes of simultaneous processing, and vertical other two bolt holes location processing is accurate quick, avoids appearing hole site machining error's problem, has improved the qualification rate of connector plates bolt hole processing to process time and cost have been reduced.