Handheld mammary tissue marker pusher

The utility model relates to a handheld mammary tissue marker pusher which comprises a pusher body, the pusher body is composed of a handheld shell and a pushing device in the handheld shell, and the pushing device is composed of a guiding needle, a pushing-out needle, a guiding needle base, a pushing-out needle base, a rear percussion device and a spring. Wherein the push-out needle base and the guide needle base are connected through a spring, a guide needle is installed in front of the guide needle base, a rear percussion device is arranged behind the push-out needle base, a push-out needle is installed in front of the push-out needle base, the push-out needle penetrates through the spring and the guide needle base and then is arranged in the guide needle, and a metal marker is arranged at the front end of the guide needle. The push-out needle seat is further connected with a front percussion device connecting rod, the front percussion device connecting rod is connected with a front percussion device butto