Always feel sputum mainly consider inflammatory infection of respiratory tract caused by viruses, bacteria, mycoplasma and other pathogenic microorganisms infection, which can cause bronchitis, pneumonia, tuberculosis, in the bronchial dilatation of infection can also cause always have sputum, and sputum is more. Generally, you have to go to the hospital to do the corresponding examination, you can take a chest X-ray, you also need to take blood test for routine blood test, you also need to test the sputum, you can also do the drug sensitivity test. According to the results of the test, the patient should be treated with more sensitive antibacterial drugs, and also cough and phlegm medicines to help expel the phlegm, which can generally be used such as Ambroxol granules, Chuanbei loquat, acute syrup, and snake bile and Chuanbei liquid. Frequent smoking also has a certain effect, you need to quit smoking, also need to pay attention to a light diet, avoid eating spicy, stimulating food, sweet food is best not to eat more.