It may be caused by the following factors.1. Bad sleeping posture, if habitual prone position, pressure on the middle chest bone, there will be pain.2. Considering that it is due to costochondritis or intercostal neuralgia, you can apply hot compresses and massages, pay attention to warmth, and apply futenugreek in serious cases to see if there is any relief, and it is recommended that you go to the hospital to take an X-ray, CT examination to exclude the cause of the disease.3. Recall the experience of whether there are any injury Recall any injury experience, after the collision of the sternum injury, there will be pain, you can rest, apply safflower oil to relieve.