The invention discloses a suction disc shower curtain rod and aims to provide a suction disc shower curtain rod with stable structure and long service life. The suction disc shower curtain rod is mainly characterized by comprising a shower curtain support rod and at least two suction disc bases connected with the shower curtain support rod, wherein each suction disc base comprises a bracket with through holes and a suction disc component hinged to the bracket; two ends of the shower curtain support rod are connected with auxiliary fixing tubes which are fixed in the through holes so as to fix the shower curtain support rod; a protrusion butting against the suction disc component is formed in one end, hinged to the suction disc component, of the bracket; a support bar butting against the outer surface of the suction disc component is arranged on one side of the bracket; a fixing block used for fixing the bracket is arranged at the bottom of the bracket; both the upper part and the lower part of the suction disc component slightly butt against the bracket, namely, the bracket is stably connected with the suction disc components through cooperation of the bracket protrusion, the bracket hinging end and the bracket upper support bar; the suction disc shower curtain rod is reasonable in structure, convenient to use and excellent in effect, and is capable of effectively fixing the shower curtain support rod.