Patients feel itchy throat with phlegm can not cough out, mainly due to chronic inflammation of the throat. Chronic inflammation stimulation will make the pharyngeal mucosa have congestion, will also make the local lymphoid follicle hyperplasia caused by foreign body sensation, there will be an itchy feeling, and there will also be too much secretion, these secretions are generally more viscous is not easy to cough up. In normal times did not pay attention to diet, often eat stimulating food or often have smoking, are very easy to cause this symptom, generally can be oral clear throat drops, serious can also use amoxicillin, cephalosporin antibacterial drugs to treat. In normal times, you can also use dendrobium, wood butterfly, honeysuckle to drink water, you can also eat more fresh vegetables and fruits. If this does not improve, you also need to do a laryngoscopy to check, it may be caused by local polyp irritation. When there is reflux esophagitis, it is also easy to cause, you can use drugs to promote gastric power.