Phlegm in the morning is mostly seen in chronic bronchitis, chronic obstructive pulmonary disease, allergic rhinitis, chronic pharyngitis, and especially in patients who have been smoking for a long time. People with a relatively obese body type who have chronic gastritis and gastroesophageal reflux also tend to have phlegm in the morning when they wake up. This kind of phlegm is mainly considered after a night’s sleep, and the bronchial tubes will swing in the morning to promote the discharge of phlegm and induce coughing, which is relatively more in the morning when you get up, without any other symptoms during the day. The treatment is mainly for the treatment of its own disease, quit smoking, use drugs that dilute phlegm, and use antibiotics and Chinese medicine if necessary to achieve the purpose of promoting the lung, resolving phlegm, strengthening the spleen, resolving phlegm, tonifying the kidney and resolving phlegm. Try to eat less bacon, salty and cold products, and avoid eating frozen, cold drinks and fruit-based foods.