The following are common causes of back pain at night: First, lumbar muscle strain: This is the most common cause of back pain, mainly related to overwork or prolonged poor posture, and the patient will have clinical symptoms of back pain at night while sleeping. After timely hot compress and massage treatment, the clinical symptoms can be relieved. Second, lumbar back fibrous tissue infection: lumbar back fibrous tissue infection will also have clinical symptoms of lumbar pain during sleep at night, and at the same time can involve the nerves of one lower limb, resulting in clinical symptoms such as numbness and pain in the lower limb, and when pressing the lumbar muscles, the symptoms of radioactivity in the lower limb will be reduced instead. Third, lumbar disc herniation: mild lumbar disc herniation can also be manifested as the clinical manifestation of lumbar pain at night when sleeping. If the patient has the above symptoms, early diagnosis and early treatment should be made to quickly relieve the symptoms and restore the patient’s normal life.