If there is a chill in the back, it is most likely caused by back fasciitis. This condition is a kind of sterile inflammation, most of the symptoms caused by factors such as prolonged low head or cold. For this condition, it is generally recommended to do local hot compresses, massage, and also to go to the Chinese medicine physical therapy department for acupuncture or tui na treatment. You must pay attention to good posture habits, avoid sedentary and prolonged head bowing, you can often do the cobra movement at home, which is conducive to the health of the neck and back. In addition, you need to rule out the presence of cervical spondylosis, if the cervical spondylosis is involved in causing fasciitis, you need to check and treat the cervical spine, serious cases also need to consider cervical traction, or perform minimally invasive surgery treatment.