Tunneling machine

The utility model discloses a tunneling machine which comprises a tunneling main body (1). An auxiliary drilling device is arranged on the tunneling main body (1); the auxiliary drilling device comprises a driller (21) and a first mounting rack connected with the tunneling main body (1); the driller (21) is arranged on the first mounting rack; the drilling direction of the driller (21) is the same with the tunneling direction of the tunneling machine; and the tunneling machine also comprises a first driving device for driving the driller (21) to perform drilling. The driller can be adopted to drill rock formation before the tunneling machine performs tunneling on hard formation to damage the tissue structure of the rock formation, so as to replace the rock formation blasting method in the prior art, is beneficial to guaranteeing the safety of equipment and operating personnel, improves the safety of tunneling operation, can be applied to hard rock roadways where blasting can not be performed, and has a wider