Patients with tuberculosis can judge that the tuberculosis lesions are being absorbed through the relief of systemic toxic symptoms of tuberculosis, obvious relief of respiratory toxic symptoms of tuberculosis, and the chest imaging examination which shows that the lesions are resorbed or calcified in front of the lesions. 1. Relief of systemic symptoms of tuberculosis: when the condition of tuberculosis improves, the systemic symptoms of tuberculosis such as low fever, night sweating, fatigue, anorexia and so on will be reduced, the diet will be increased, the mental state will be improved, the body temperature will be returned to normal, and the symptoms of night sweating will be disappeared. 2. Obvious relief of respiratory poisoning symptoms of tuberculosis: When the condition of tuberculosis improves, respiratory symptoms of tuberculosis poisoning such as coughing, coughing up sputum, hemoptysis, chest tightness and shortness of breath are strongly relieved. 3. Chest imaging shows that the lesion is more absorbed or calcified than before: the direct sign of improvement of tuberculosis is that imaging suggests that the lesion is more absorbed or calcified than before. Patients with tuberculosis should go to the hospital for examination in time and be treated under the guidance of the doctor.