There are several reasons for headache and low back pain: 1. It is caused by a cold. Patients who have a bad cold often have headache, low back pain, joint pain all over the body and other symptoms of the department. The reason for this symptom is due to a severe cold, there will be germs that produce toxins to damage the body. After the damage to the nervous system, it causes pain in the whole body. This situation can be diagnosed through blood tests in the hospital, and also anti-cold treatment has a certain effect. 2, headache, low back pain may also be caused by cold, when a person is cold because the blood vessels will spasm contraction will damage the nervous system, causing headache, low back pain, this situation can play a good role through physiotherapy and hot compresses. 3, headache, low back pain also have It may be due to fatigue, especially long-term sitting, staying up late, brain work, etc., can lead to headaches, low back pain this situation, can be relieved by combining work and rest and appropriate exercise.