Feeling tightness in the chest with phlegm is mainly considered to be caused by tracheal and lung infections, and the phlegm is often sticky and not easy to cough up. Generally, you can first go to the hospital to take a chest X-ray examination, also need to do routine blood tests, and also need to do sputum examination. If it is due to bacterial infection can be treated with effective antibacterial drugs, such as amoxicillin, cephalosporins can also be treated with levofloxacin, roxithromycin, azithromycin and other drugs. At the same time, it is also necessary to use cough medicines to relieve cough and resolve phlegm, mainly with acute syrup, Ambroxol granules, snake bile and Chuanbei liquid, and also coughing Telling. In the diet is to pay attention to a light diet, try to avoid eating spicy, stimulating food, sweet food is also better to eat, mainly because after eating too much will produce too much phlegm, is not conducive to the recovery of the disease.