A self-propelled device for deep burying and laying of a submarine cable of an intertidal zone provided by the invention relates to a cable laying device. At present, the efficiency of deep burying and laying of the submarine cable of the intertidal zone is low. The self-propelled device provided by the invention comprises a track-laying running gear, an engine and a console. The motor and the console are arranged on a lift platform, the upper end of the track-laying running gear is provided with a leadfair, and the front end of the track-laying running gear is provided with a plow-type burying plough for deep burying and laying of cables. According to the invention, the work efficiency is high, the product performance is safe and reliable, and the operation is convenient.