Electromagnetic pen

An electromagnetic pen, comprising:

• a housing;
• and
• a pen body located in the housing,
• wherein the housing comprises a front housing and a rear housing, the pen body comprises a pen core, a first iron core, an iron core holder, and a PCBA circuit board, a coil is wound outside the first iron core, the first iron core is fixed at an end of the iron core holder close to a pen tip of the pen core, a second iron core is disposed in the iron core holder, and the pen core is configured to pass through a center of the first iron core, and then drive the second iron core to move;
• and
• wherein an elastic structure is disposed between the PCBA circuit board and the iron core holder, a clamping slot is disposed on the PCBA circuit board, and an end portion matched with the clamping slot is disposed on the rear housing.