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With the continuous development of the industrialization process, the countries all over the world gradually appeared lack of agricultural labor force and aging phenomenon, which was especially prominent in developed countries. However the agricultural robot with high operating efficiency, high qualities of work will play an increasingly important role in future agricultural production. Robot navigation is not only the key to automation and also the biggest obstacle constraining their development. Therefore, the research status of agricultural robot navigation was introduced in this paper. Such as landmark navigation, perception navigation, machine vision navigation and GPS navigation etc. Finally, the paper discussed the key issues of agricultural robot navigation, and proposed a new wireless sensor networks based on multi-sensor fusion of new program of agricultural mobile robot navigation.