For women suddenly caused by low back pain often have the following reasons: First, with lifestyle habits, some women like to wear high heels, girdle, etc., easy to cause low back pain, especially easy to cause acute lumbar sprain. Second, related to special physiological phenomena, women in physiological period when the pelvic peritoneum behind the organs will have different degrees of congestion, easy to cause back pain. Third, for women during pregnancy and breastfeeding, often feeding their children in improper positions may aggravate or lead to low back pain. Fourth, the lack of exercise for female patients relative to male comrades, the weak muscle strength of the low back, life stressful situation of long-term bending over and weight bearing, or continue to work in front of the computer and so on are prone to aggravate the pain of the low back. Fifth, postmenopausal older women often combined with more serious osteoporosis, osteoporosis can cause severe low back pain.