The invention discloses a multifunctional all-terrain bio-robot which belongs to bio-robots. The multifunctional all-terrain bio-robot achieves the functions of terrain recognition, all-terrain movement, movable surveillance, remote monitoring, bi-directional voice communication, real-time video recording, wireless intelligent home appliance management and wireless alarm. A wireless network card arranged in the robot is connected with a household router, alternatively, access can be achieved on a far-end intelligent mobile phone or a computer through the internet by means of a 3g module arranged on the robot, the robot can conduct security and protection monitoring according to an indicated travelling route through the fact that terminal equipment gives a control command or achieves route setting, terrain recognition can be achieved through a camera, and the multifunctional all-terrain bio-robot walks up and down stairs, steps over obstacles, and conducts other complex actions in complex terrains by being matched with an automatic balancing structure which is a multi-shaft accelerated speed gyroscope sensor arranged on the multifunctional all-terrain bio-robot. According to the technology of the robot, the functions of real-time video monitoring, voice communication, video recording, photo taking, sending relative data to an assigned mailbox, and the like are achieved.