There are many reasons for frequent pillow back pain, mainly related to chronic strain, poor sleeping posture, pillow discomfort, weak lumbar and back muscles. 1. Chronic strain: when the long time low head work or play cell phones lead to chronic strain of the neck muscles, it will lead to habitual pillow. 2. Poor sleeping posture: when keeping a bad sleeping posture for a long time, the phenomenon of frequent pillow fall will also occur. 3. Pillow discomfort: when the pillow is too high or too low, it is unfavorable to the cervical vertebrae, which will easily lead to the phenomenon of falling pillow. 4. Weak lumbar and back muscles: when the lumbar and back muscles are weak, it is impossible to maintain the correct posture for a long time, which will also lead to frequent back pain. There may be other reasons for frequent back pain, such as spinal stenosis, cold, neck trauma, etc. It is recommended to consult a doctor in time, complete the relevant examinations, and carry out targeted treatment and therapy after clarifying the cause.