Some patients with tuberculosis may have low afternoon fever, which occurs in the afternoon and evening, and there is no fixed time period. For tuberculosis, in addition to low afternoon fever, there will be night sweats, poor appetite, fatigue, emaciation and other symptoms of tuberculosis poisoning, accompanied by cough, cough sputum, some may have hemoptysis, female patients may have menstrual disorders, etc. So the most important diagnosis for tuberculosis is the imaging diagnosis. Therefore, for tuberculosis, the most important diagnosis is still its imaging diagnosis, need to do CT examination of the lung. If the lung CT suggests that tuberculosis is possible, further sputum examination is needed, that is, sputum to find antacid bacilli. If the sputum is also positive for antacids, combined with the patient’s imaging, the diagnosis of tuberculosis is made. For tuberculosis, it cannot be diagnosed based on the associated clinical symptoms.