Heat-insulating and fireproof security door

The utility model discloses a heat insulation fireproof security door, which comprises a mounting frame, a security door body is arranged in an inner cavity of the mounting frame, an anti-theft lock body is fixedly arranged on the front surface of the security door body, the security door body comprises a base layer, a first fireproof layer, a sound insulation layer and a second fireproof layer, and the sound insulation layer is arranged on the front surface of the base layer. A second fireproof layer is arranged on the front face of the sound insulation layer, and a first fireproof layer is arranged on the back face of the base layer. The anti-theft door body can be conveniently installed by arranging the installation frame and can be conveniently opened by arranging the anti-theft door body, the fireproof coefficient of the base layer is increased by arranging the first fireproof layer and the second fireproof layer, and the problems that in the long-term use process of an anti-theft door in the prior art,