Thoracic 12 compression fracture 40 days out of bed is still painful may be the fracture has not healed or further aggravated and lead to pain symptoms. The healing period of thoracic 12 vertebral compression fracture is basically the same as that of other parts of the fracture healing cycle, which needs to go through the hematoma mechanization period, scab formation period and scab remodeling period. It takes 3-6 months for the original bone scab to form, and at this time, because the fracture end is stable, there can be no pain symptoms during activities. Therefore, the chest 12 compression fracture 40 days out of bed is still painful mainly because the fracture has not healed. In addition, thoracic 12 compression fracture 40 days out of bed still pain may also be related to get out of bed activities lead to further aggravation of compression fracture, which led to the emergence of pain symptoms. If the degree of compression of the thoracic 12 vertebrae is less than 1/3, the general conservative treatment can be, without the protection of the brace can be bed rest, rest for 4~6 weeks. If the compression of the 12 thoracic vertebrae is greater than 1/2, strict bed rest is required and surgery is often necessary.