After lumbar fusion surgery with pain try to temporarily avoid sexual intercourse, otherwise it may affect the recovery. Lumbar spine fusion is mainly used for lumbar disc herniation, lumbar spine slippage, lumbar scoliosis and other diseases, which is to join the internal fixation fusion device in multiple lumbar vertebrae to realize the fixation fusion of lumbar vertebrae, in order to enhance lumbar vertebrae stability, preventing from causing lumbar vertebrae instability in the future, slippage and so on, leading to nerve re-injury and other situations. After lumbar spine fusion surgery, you need to rest in bed for a period of time, which is more conducive to the healing of the lumbar spine, and you can’t move around too early, and you can only have sex and other activities when you don’t have any conscious pain in about 2 months, or else you may cause the local internal fixation to fracture, which will destroy the therapeutic effect. Patients who have undergone lumbar spine fusion need to strictly follow the medical advice on when to move appropriately to avoid damaging the postoperative effect. If there is any discomfort, consult a doctor.