If you have quit smoking for five months and feel that you have more sputum, you need to continue to quit smoking, and if there are underlying diseases, you can combine the treatment with sputum-cleansing drugs such as aminobromine, and at the same time do not exclude the possibility of acute respiratory tract infections. If you quit smoking after 5 months, you feel that you have more sputum, it is a normal phenomenon, in the long-term smoking lungs produce more sputum, after quitting smoking can be due to the withdrawal reaction leads to an increase in sputum, cigarettes for the trachea bronchus long-term stimulation of the mucous membrane of the bronchial wall produced by the secretion is also beginning to come off, thus leading to more sputum. At this time, in addition to the need to continue to quit smoking, if there is chronic bronchitis and other underlying lung diseases, can also be combined with the treatment of phlegm drugs, such as Ambroxol, etc., and acetylcysteine effervescent tablets can help to dissolve mucous phlegm, so that it is not easy to cough up phlegm is easier to cough up. In addition, it is important to be alert to the possibility of acute respiratory infections, and to seek medical attention for routine blood tests, lung X-rays, etc., and penicillin anti-infective treatment if present. However, the use of prescribed medications should be in accordance with the doctor’s instructions, not self-medication.