The invention discloses a monitor equipment of seabed soil mass liquefaction field in the sea detection technique domain, which comprises the following parts: direction wave observer, frame, reclamation cordage and float, wherein the frame connects the soil mechanics monitoring feeler lever in the boning rod stand, which is clamped by chuck; the boning rod stand connects on the cushion cap; one end of the working power consumption and data transmission line connects the waterborne control box and the other end connects in the underwater hydraulic power supplying mechanism through water-joint of feeler lever penetration equipment; the soil mass monitoring feeler lever is penetrated in the preset depth of the seabed soil through feeler lever penetration equipment. The invention can accomplish synchronizing monitor of soil mechanics parameter and hydrologic factor.