Patients always feel phlegm inside their throat, mainly consider two major aspects. The first one is that the patient himself has chronic laryngitis, probably because the patient usually speaks a lot or loves to eat spicy, salty or sweet food, which will stimulate the mucous membrane of the patient’s throat to be congested and inflamed, resulting in the formation of inflammatory exudation. Therefore, the patient always feels phlegm inside the throat, which affects the patient’s normal work and life. Secondly, consider that the patient has rhinitis or sinusitis. The main symptom of rhinitis and sinusitis in the clinic is that there is often a large amount of nasal mucus formed, and sometimes there is a backflow of nasal mucus, resulting in the patient’s pharynx always having phlegm attached, and the mucous membrane of the throat is in a state of congestion. Therefore, no matter which of the above conditions occurs, patients need to be actively treated to relieve the discomfort of patients, patients can use nasal abyss and orifice orifice orifice to reduce the secretion of nasal mucus, orifice orifice to relieve the discomfort of the throat.