The invention discloses a multifunctional navigation device which comprises a server, a cane, a backpack, a backpack storage box, a cane storage column and an RFID active tag. The cane is provided with a first battery, a first control module, a first wireless communication module, a first gyroscope, an RFID recognizer, a first speaker, a binocular camera, an ultrasonic detector, a lamp, a light sensor, a physical feedback module, a first wireless charging coil and a first microphone. A second control module, a second microphone, a GPS module, a second battery, a second wireless communication module, a third wireless communication module, a second gyroscope, a second speaker, a memory, a wired charger, a second wireless charging coil and a warning light are arranged in the backpack. The multifunctional navigation device can be used for indoor navigation and outdoor navigation, can give an early alarm for obstacles and can predict road information to a user in advance, thereby reducing the way exploring time of the user. The user does not need to find a socket due to wireless charging.