Back pain, numbness of fingers and fear of cold are usually caused by cervical spondylosis, spinal cord lesions, cerebral infarction and other factors. 1. Cervical spondylosis: Cervical spondylosis can lead to spinal nerve irritation and compression, causing pain and numbness in the muscles and fascia of the innervated area, which can cause back pain, numbness in the fingers and other uncomfortable symptoms. 2. Spinal cord lesions: When spinal cord tumors, myelitis and other diseases occur, it will lead to spinal cord dysfunction and sensory abnormalities, which will lead to back pain and numbness of fingers. 3. Cerebral infarction: When infarction occurs in the brain tissue, it will make the blood in the brain tissue not circulate, and it will also affect the function of the brain nerves, which will lead to pain, numbness in the hands and feet. There are many reasons for back pain, numbness of fingers and fear of cold, in order to treat the cause and improve the symptoms as soon as possible, it is recommended to go to regular hospitals.