The invention discloses an intelligent security door based on the internet of things. The intelligent security door comprises a door plank and a door lock. A high-definition camera is arranged at the upper end of the outer surface of the door plank, and a door bell button is arranged under the high-definition camera. The door lock is arranged on the left side of the middle of the outer surface of the door plank, and a doorknob is arranged in the middle of the door lock. A fingerprint identification unlocking plate is arranged above the doorknob, and a password input keyboard zone is arranged under the doorknob. A liquid crystal display screen is arranged in the middle of the inner surface of the door plank, and the middle of the interior of the door plank is provided with a control module, a communication module, a power module, an image acquisition module, a vibration sensor, a password pairing module, a fingerprint collecting module and an alarming module, wherein the communication module, the power module, the image acquisition module, the vibration sensor, the password pairing module, the fingerprint collecting module and the alarming module are electrically connected with the control module. By the adoption of the internet of things technology, the working condition of the security door can be remotely monitored, and theft of thieves can be stopped in time; and opening and closing of the door lock can be remotely controlled, so that the security door is more intelligent and more humanized.