Back pain after miscarriage may be normal, or it may be caused by disease factors, such as gynecological diseases, intrauterine residue and postoperative infection. If the symptoms are difficult to be relieved, you need to seek medical attention in time and carry out symptomatic treatment after the disease is clarified through examination. I. Normal phenomenon: 1. poor postoperative care: no reasonable care, long-term sitting and standing, lumbar cold, etc. can lead to lumbar pain, it is recommended to pay attention to bed rest and moderate activities after surgery; 2. uterine contraction: uterine contraction after abortion, involving lower abdominal cramps, lumbar pain, which is a normal phenomenon, generally 1-2 days symptoms can be gradually relieved. Second, disease factors: 1, inflammation: if the lumbago is combined with lower abdominal pain, abnormal vaginal discharge or fever and other symptoms, you need to consider the possibility of gynecological diseases such as vaginitis and pelvic inflammatory disease, if necessary, antibiotics, such as clindamycin, should be given for anti-infection treatment; 2, intrauterine residue: if the surgical removal is not complete, resulting in the uterine cavity still has embryonic tissue or gestational sac residue, which may lead to intrauterine infection This may cause symptoms such as abdominal pain and prolonged vaginal bleeding, and may also cause the performance of lumbago, which should be treated by ultrasound examination followed by uterine clearance surgery to relieve the symptoms. After miscarriage, patients need to pay attention to a light diet, avoid spicy and stimulating food, avoid excessive strain, and forbid sexual intercourse for 2 months to avoid stimulating uterine contraction to aggravate the discomfort.