Phlegm in the throat, often occurs in bronchial dilatation, chronic bronchitis and chronic pharyngolaryngitis, etc., need to be treated according to the cause of the disease, drink more warm boiled water appropriately, nebulization treatment, application of expectorant drugs, etc.. 1. Drinking warm water: When there is phlegm in the throat, you can drink warm water to moisten the throat and dilute the phlegm, and avoid spicy and greasy food as well as carbonated beverages and cold water. 2. Nebulization therapy: Acetylcysteine nebulization can play the role of phlegm, can promote the dilution of phlegm, and promote the discharge of phlegm. 3. Application of expectorant drugs: If the patient has a lot of phlegm which is not easy to cough up, he can be treated with drugs such as Ambroxol Hydrochloride Oral Liquid and Carboxymethoxylate Tablets. 4. Treatment for the cause: if caused by bacterial infectious diseases, such as bronchial dilatation, chronic bronchitis, etc., need to be applied with antibacterial drugs to treat, such as levofloxacin capsules, etc.; if caused by chronic pharyngolaryngitis, you can orally clearing the throat and pharyngeal particles and other drugs, together with Dumifen tablets and other drugs to treat. It is recommended that patients need to go to the hospital if they are not feeling well, after a clear diagnosis of the cause of the disease for targeted medication and treatment, they can not just use drugs, so as not to delay or aggravate the condition.