The utility model provides a solid -liquid separation jar for noble metal extraction, its includes jar cover of body upper end oral area is located to sealed lid of jar body and detachable, the oral area of the jar body is radial protruding to be equipped with annular jar of mouthful flange, the radial protruding annular cover circle that is equipped with in cover edge, and the diameter of annular cover circle is the same with jar diameter of mouthful flange, and annular cover circle and jar side that the axial of mouthful flange is corresponding subsides are each other leaned on, the endocentric annular seal groove of at least twice has been seted up to the one side that corresponds the annular cover circle on the jar mouthful flange, has all set rubber seal in the per pass seal groove, has all seted up one endocentric ftercompction annular between every adjacent twice seal groove, lieing in the middle part in the jar body and having set up a horizontal filter plate in the position on the upper side, the outline of horizontal filter plate each other matees with the shape size homogeneous phase of jar inner chamber profile of personally experiencing sth. Part of the body, and a jar diapire central point who personally experiences sth. Part of the body puts and is provided with a blowing pipe, and the below that lies in horizontal filter plate on the jar wall of jar body is provided with the internal outer negative pressure pipe of an intercommunication jar, and the negative pressure pipe feeds through with outside negative pressure pump.