Dry and itchy throat is usually caused by common cold or chronic bronchial disease. Usually, the following methods can be adopted: 1. Reduce the stimulation of dusty air foreign bodies when you go out, you can wear a mask and correct the bad habit of breathing with your mouth open to avoid foreign bodies entering your throat to strengthen the stimulation. 2, pay attention to breathing fresh air, you can get up in the morning or after dinner to go for a walk in the park and other places with better air quality to breathe fresh air, but be careful not to do strenuous exercise in dusty places, it is easy to aggravate the symptoms of cough. 3, if the throat is dry and itchy cough symptoms are more serious, you can drink some honeysuckle or fat sea tea, can effectively relieve the cough, itchy symptoms. 4, at the same time, the current study found that excessive acid reflux is also one of the causes of chronic laryngitis, so there are omeprazole and other medications, in addition to the diet should also pay more attention to, it is recommended to eat more light meals, avoid spicy food on the throat stimulation, eat more fresh fruit, such as watermelon, apples, etc. Do not drink and smoke will aggravate the cough symptoms. When dry and itchy cough symptoms appear in the throat, you can take the above methods to relieve them. If the symptoms of dry and itchy cough are more serious, go to the hospital to find out the cause and treat it as soon as possible.