How many days traction therapy usually takes depends on different conditions. A course of traction therapy for cervical spondylosis is usually 2 to 3 weeks, and a course of traction therapy for lumbar disc herniation is usually 1 to 4 weeks. Cervical traction therapy is usually performed once a day. The traction is performed from the neck upwards to reduce the pressure on the intervertebral discs, improve the condition of nerve compression, and further improve a series of symptoms caused by cervical spondylosis due to the compression of nerves. A course of treatment usually lasts for 2 to 3 weeks, but the specific time can be adjusted according to the alleviation and aggravation of the condition. There are two types of traction treatment for lumbar disc herniation: intermittent traction and continuous traction. Continuous traction is usually performed on the lumbar spine in the lying position, which can reduce the pressure on the lumbar intervertebral discs and alleviate a series of symptoms brought about by nerve compression, and its treatment course is usually about 1 week; intermittent traction treatment is usually performed once a day, and a treatment course is usually 2 to 4 weeks. Whether intermittent traction or continuous traction is used for lumbar disc herniation, the time needs to be adjusted appropriately according to the specific conditions of the disease during the treatment process. Traction therapy is also seen in other diseases, such as fracture of the neck of the femur, etc., and its traction treatment time needs to be based on different causes, different conditions to decide, should follow the doctor’s instructions.