There are the following possibilities for back pain after giving birth to a baby: 1. The symptom of back pain can occur when a pregnant woman cannot get sufficient rest after giving birth to a baby. During the pregnancy period, the waist itself is under a lot of pressure, which can cause some damage to the lumbar spine. When the lumbar spine suddenly loses pressure after giving birth to a baby, coupled with insufficient sleep time for nursing infants, the phenomenon of lumbar pain will occur. 2, too much burden on the waist will also increase the phenomenon of lumbar pain, when after giving birth to a baby needs to have a period of rest, during this period of rest the posture of the mother is very important, in breastfeeding or engaged in activities, try not to maintain a posture for a long time. 3, after the birth of a baby that appears The actual pain is a kind of reflex pain, related to the recovery of the uterus contraction after delivery, which is a common phenomenon. Try not to use analgesic drugs, when the pain is unbearable, you can use conservative methods to relieve it, such as hot compresses, massage, acupuncture, etc.