There are more reasons for itchy throat and violent choking cough, commonly allergic laryngitis, respiratory tract infection, reflux laryngitis and nasal diseases, etc. Further examination is needed to make a clear diagnosis. 1. Allergic pharyngolaryngitis: related to low immunity, when affected by allergens from the outside world, the pharynx will have edema, congestion and other symptoms, some patients are also prone to inflammatory secretion oozing phenomenon, when the situation is serious, tracheal smooth muscle spasm, which leads to dry coughing, wheezing, and shortness of breath and other symptoms. 2. Respiratory tract infections: common for intrapulmonary infections, acute bronchitis and bronchiectasis and other diseases, which are prone to cause severe cough symptoms, mainly due to the respiratory tract is invaded by certain viruses or bacteria and other pathogens, caused by inflammatory changes caused. 3. Reflux pharyngolaryngitis: generally suffer from reflux esophagitis, reflux gastritis patients are prone to reflux pharyngolaryngolaryngitis, mainly because of the gastric juice and gastric contents in the stomach, such as upward reflux through the esophagus, into the throat, the mucous membrane of the throat produces irritation, resulting in severe coughing and other symptoms, and most of the patients will be accompanied by the phenomenon of a foreign body sensation in the pharynx. 4. Nasal diseases: for example, sinusitis, chronic rhinitis, etc., resulting in long-term nasal secretions, there is a possibility of reflux to the throat, resulting in irritation caused by choking. It is recommended that the patient go to a regular hospital for relevant examinations, clear causes and then actively carry out treatment, so as to avoid further development of the condition.