The cause of tuberculosis of the spine sputum is still difficult to spit out considerations may be related to the patient’s own existence of primary tuberculosis. The cause of spinal tuberculosis is mainly the body itself suffers from primary tuberculosis underlying disease, tuberculosis bacilli through blood transmission or direct spread and other ways, spread to the spine, spinal tuberculosis occurs. In addition to causing pain, neurological dysfunction, spinal deformity and other symptoms, due to the presence of primary tuberculosis, it can cause a series of symptoms of tuberculosis such as low fever in the afternoon, fatigue, lethargy, night sweats (sweating abnormally after going to sleep, and sweating stops after waking up), which also includes causing the patient to have a lot of phlegm, sticky and difficult to spit. Spinal tuberculosis sputum and difficult to spit out may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.