The common causes of lumbar pain in young women are the following: First, lumbar muscle strain: young women who sit or stand in an improper position for a long time can cause serious strain on the lumbar muscles. The patient will have clinical symptoms of lumbar pain, accompanied by stiffness of the lumbar muscles. Second, acute lumbar disc herniation: Young women who bend over to lift heavy objects or participate in strenuous sports may suffer acute lumbar injury, leading to acute attacks of lumbar disc herniation, and the patient will also have obvious lumbar pain and limited lumbar movement, and the diagnosis can be confirmed by MRI or CT scan. Early diagnosis and early treatment can lead to significant relief of clinical symptoms of lumbar pain in young women. Patients should usually pay attention to protecting the lumbar region and correcting poor posture to avoid producing the above clinical symptoms.