If a patient has low back pain after pregnancy, different treatment methods are often available depending on the specific case of low back pain. If the patient’s fetus increases significantly in size after pregnancy, causing increased weight bearing on the lower back and symptoms of lumbar soreness. It is recommended that the patient rest in bed as much as possible, and that the muscles of the low back be properly massaged and physiotherapy, and that hot water bags be applied externally 2-3 times a day for 5-10 minutes each time to reduce the symptoms of low back pain. When massaging, pay attention that the strength should not be too great, so as not to affect the fetus. If the calcium supplement in the patient’s body after pregnancy is insufficient and consumed excessively, some patients may also experience back pain. At this time, it is necessary to strengthen the calcium supplement and maintain the blood calcium within the normal range, which can alleviate the symptoms of back pain. Some patients with symptoms of back pain in early pregnancy may be symptoms of pre-eclampsia miscarriage, often accompanied by vaginal bleeding. They need to go to the hospital as soon as possible to improve the relevant examination to ensure the safety of the fetus and relieve the symptoms of back pain.