Fecha de publicación: 11/10/2019 Fuente: Wipo "IOT" The utility model relates to an NB-IOT finger vein recognition intelligent door lock. Wherein the electronic lock, the power supply module and the MCU main control module are arranged in the lock body, the protruding part is arranged on the upper portion of the outer side of the lock body in a protruding mode, the NB-IOT communication module is arranged in the lock body, and the protruding part isprovided with a first upper face facing the upper front portion of the lock body. A finger vein collecting groove with a groove opening formed in one side of the protruding part is formed in the protruding part, a finger vein collecting device is arranged on the outer side of the finger vein collecting groove, and a starting switch used for starting the finger vein collecting device is arranged at the groove opening of the finger vein collecting groove; wherein the MCU main control module is connected with the electronic lock, the NB-IOT communication module, the finger vein acquisition device and the starting switch respectively; according to the finger vein intelligent door lock applying the NB-IOT technology, the service life of a battery of the intelligent door lock can be prolonged,rapid unlocking can be achieved, remote unlocking of the Internet of Things can be achieved, and the intelligent door lock has very high safety.