Girls’ back pain is usually caused by menstruation, pelvic inflammatory disease, lumbar disc herniation or kidney stones. Depending on the situation, hot compresses, traction or medication can be used for treatment. 1. Menstruation: During menstruation, women may experience lumbar pain due to the effects of sex hormones and endometrial edema. You can use a hot water bag to apply hot compresses to the waist, which can help relieve the symptoms of lumbago and back pain. 2. Pelvic inflammatory disease: Due to the stimulation of inflammation, it may cause women to have symptoms of back pain. Antibiotic drugs can be used for treatment, such as levofloxacin tablets, cefixime dispersible tablets, etc., can help eliminate the inflammation and infection, so as to improve the phenomenon of pelvic inflammatory back pain. 3. Herniated lumbar intervertebral disc: The herniated intervertebral disc causes irritation and compression to the nerve root and soft tissues around the lumbar vertebrae, causing lumbar soreness. Lumbar spine traction can be performed, which can make the lumbar disc herniation reduced, thus reducing the pressure on the nerves, so that the symptoms of lumbar pain can be relieved. 4. Kidney stones: Kidney stones with lumbar pain are usually caused by stones entering the ureter. You can take tamsulosin, selodosin and other drugs for treatment, can dilate the smooth muscle of the ureter, reduce the spasm caused by back pain. Girls with back pain also need to consider lumbar spine fracture, lumbar spine tumor and retroperitoneal tumors and other diseases, it is recommended to consult a doctor in a timely manner, with the help of a doctor to clarify the cause of the disease, and targeted treatment or treatment, do not use private medication.