Smoking and sputum: 1. advise patients to quit smoking as soon as possible. 2. go to the hospital as soon as possible to receive treatment and do lung CT to observe the lung condition to achieve early detection and early treatment. 3. patients with smoking and sputum must be light in their diet and cannot eat spicy and stimulating food. 4. patients with smoking and sputum can buy honeysuckle to drink water at ordinary times to improve the symptoms of sputum. Many smoking patients will appear pneumonia, lung nodules, and even lung cancer and other lung diseases, because smoking is damaging to lung function and lung structure, so try not to smoke, if smoking, sputum patients have other symptoms must go to the hospital in time for examination and treatment.