Throat congestion may be related to mental and psychological factors, or it may be caused by chronic pharyngitis and throat tumors. 1. Psychological factors, such as encountering certain stressful events stimulation, resulting in emotional over-excitement, or a long time to stay in the air relatively airtight space, due to the lack of air circulation, etc., may result in a stuffy throat, may also be accompanied by chest tightness, panic and other symptoms. 2. Chronic pharyngolaryngitis: this disease is usually caused by excessive use of voice for a long time, or gastroesophageal reflux for a long time, due to the inflammation of the throat area stimulation, resulting in the presence of foreign body sensation in the pharynx, burning sensation, which may feel stuffy and congested throat, which may be accompanied by nausea, dry throat and other symptoms. 3. Tumor in the throat: no matter it is benign tumor or malignant tumor in the throat area, because of the tumor occupying the position, it will cause stuffiness and congestion in the throat. Along with the increase of tumor volume, symptoms such as dyspnea and dysphagia may also occur. The stuffy throat may also be related to other factors, it is recommended to consult the hospital in time, after diagnosis and treatment.