The invention discloses a disposable soft ureter catheter. The disposable soft ureter catheter comprises a work part and an operation part, wherein the work part comprises a multi-cavity pipe; one end of the multi-cavity pipe is connected with the operation part; a head end cap is arranged at the other end of the multi-cavity pipe; the operation part comprises a handle, a water inlet, an instrument hole, an illumination hole, an image hole, a pushing rod, a distributor and a steel wire rope; the water inlet, the instrument hole, the illumination hole, the image hole and the push rod are arranged on the handle; the distributor is also arranged in the handle; an inlet end of the distributor is respectively connected with the water inlet, the instrument hole, the illumination hole and the image hole; an outlet end of the distributor is connected with the multi-cavity pipe; the steel wire rope is arranged in the multi-cavity pipe; one end of the steel wire rope is connected to the pushing rod; the other end of the steel wire rope is connected with the head end cap; a hydrophilic coating is arranged on the outer wall of the multi-cavity pipe; a plurality of work passages are arranged in the multi-cavity pipe; a polytetrafluoroethylene coating is arranged on the inner wall of each work passage. According to the disposable soft ureter catheter provided by the invention, due to the fact that the work part is the soft multi-cavity pipe, the operation is convenient and the patient experience is better.