The invention discloses and provides a dismountable railing which is simple in structure, reasonable to design and convenient to dismount. The dismountable railing disclosed by the invention comprises a railing body, a base, a pressing assembly and a buckling assembly, wherein the pressing assembly is connected with the buckling assembly through an interlocking rod; a placing cavity which is adapted to the pressing assembly, the buckling assembly and the interlocking rod is formed in the railing body; the pressing assembly is placed at the upper end of the railing body; the buckling assembly is placed at the lower end of the railing body, and comprises a lock pin; and the base is provided with a locking groove matched with the lock pin. The dismountable railing disclosed by the invention is suitable for the field of ship railings.