The causes of lumbago after miscarriage include uterine adhesion, pelvic effusion, pelvic inflammatory disease, poor operation of qi and blood in the body, no reasonable care after miscarriage, long-term sitting and standing, cold in the lumbar region, etc. If you don’t take care of your body or don’t pay attention to a reasonable diet after miscarriage, the deficiency of Qi and blood in your body will leave a lot of after-effects. If you have uterine adhesions or pelvic inflammatory disease, you will have a higher chance of back pain after miscarriage. After miscarriage without rest, going to work too early, walking too much, wearing too thin clothes, staying up too late, overworking or strenuous exercise, you will not only have back pain, but also abdominal pain, discomfort or vaginal bleeding. After an abortion, it is necessary to take care of the patient and not to go to work too early, but to rest for at least a week.