How to get rid of phlegm with the best effect: 1. The cause of phlegm should be clarified first, if it is caused by inflammation, anti-inflammatory treatment should be given, if it is caused by tuberculosis, anti-TB treatment should be carried out, that is, treatment for the cause. 2. Cough and phlegm can be relieved, if there is more phlegm, you can use phlegm-eliminating drugs, such as Mucosolvan, acetylcysteine effervescent tablets, etc., so that the phlegm can be diluted and discharged more easily. 3. 4.It is better to have a light diet, less spicy and stimulating food, more rest and more water.