The invention discloses a tube bender, which comprises a stander and a platform arranged on the stander, wherein the platform is sequentially, from left to right, provided with an alignment mechanism capable of aligning material tubes, a feeding clamping mechanism capable of rightwards feeding the material tubes of a given length, a material passing mechanism, a bending clamping mechanism capable of clamping the material tubes, a bending mechanism capable of bending the material tubes into a given angle and a cutting mechanism which cuts the material tubes off. The invention provides the durable tube bender capable of realizing jumper tubes of U-shaped tubes, which aims to overcome shortcomings in the prior art.