Broken rods after scoliosis surgery can be caused by premature activity before fusion, poor fusion, and strenuous exercise. 1. Premature activity before fusion: After scoliosis surgery, if you engage in premature activity before the rod is fused, it is easy to break in the body. 2. Poor fusion: It may be because the scoliosis correction rods are titanium alloy, which is softer than stainless steel, and if they are poorly fused, it may lead to the phenomenon of broken rods. 3. Strenuous exercise: After scoliosis surgery, if the patient performs strenuous exercise, the scoliosis correction rods are prone to break in the body, leading to the phenomenon of broken rods. Broken rods after scoliosis surgery may also be caused by other reasons, it is recommended to go to the regular hospital in a timely manner to improve the relevant examinations, to clarify the cause of the disease, under the guidance of the doctor to carry out targeted treatment or treatment.