Smoking in tuberculosis may aggravate uncomfortable symptoms such as coughing up sputum, and at the same time will further damage lung function, so it is recommended to quit smoking immediately. When tuberculosis occurs, due to the attack of Mycobacterium tuberculosis, most of the lungs have been damaged to varying degrees. The airway irritation and increased mucus secretion caused by smoking will further aggravate this damage, which will result in the recurrence or aggravation of coughing, coughing up sputum, hemoptysis, and other symptoms, which is not conducive to the recovery of the disease and its treatment, and therefore it is recommended that smoking be avoided. In addition, smoking may also cause the occurrence of tumors or other systemic diseases. Common clinical diseases include pneumonia, colon cancer, atherosclerosis and other diseases. It is recommended to go to the hospital in time, under the guidance of the doctor to standardize the treatment, quit smoking and alcohol in daily life, avoid exertion, pay attention to enhance the nutrition, which will help the recovery of the disease.