An example stamp with a cutting element is disclosed. The stamp includes a main shell and a cutting element in the main shell. The cutting element further includes a control part, a push member, and a cutting part. The push member is configured to engage with the control part and move between a first position on a side of the main shell and a second position on the same side. The cutting part is configured to protrude from a corner region of the main shell in response to a movement of the push member from the first position to the second position.