Throat feel always have phlegm, common following several reasons: First, respiratory diseases, such as chronic laryngitis, chronic bronchitis, bronchial dilatation and other diseases, always feel phlegm in the throat, always cough, especially chronic laryngitis feel more obvious. To take chest radiographs or do chest CT, laryngoscopy and so on to further clarify, usually can be given laxative or anti-inflammatory drugs and so on treatment. Second, smokers. Long-term smokers can stimulate the pharynx, causing a constant feeling of phlegm in the throat, which needs to be coughed up. Third, there are some mental factors can also be caused by the feeling of phlegm in the throat, what tests have been done to suggest that there is no positive findings, especially in menopausal women or patients with anxiety disorders.