Lumbar spine fracture two months did not grow more refers to the lumbar spine fracture two months after the poor recovery, the possible reasons are heavier injury, poor body foundation, infection and so on. 1. Heavy damage: If the damage of lumbar spine fracture is heavy, the vertebral body compression is serious, the fracture causes spinal cord and nerve root injury in the vertebral canal, due to the spinal cord and nerve root injury is more difficult to recover, the recovery time is longer, and there can be no significant improvement two months after the fracture. 2. Poor physical foundation: if there is a combination of serious underlying basic diseases, such as chronic renal failure, diabetes, due to poor nutritional status, high blood sugar, resulting in injury is more difficult to recover, lumbar spine fracture two months after the recovery may also be poor. 3. Infection: If infection is caused by fracture trauma, prolonged bed rest, or exposure to cold, the infection will consume a lot of the body’s energy and protein, which will also affect fracture healing. There are more reasons for poor recovery after two months of lumbar fracture, it is recommended to clarify the cause of the disease under the guidance of the doctor and carry out targeted treatment.