Mouth palate itch physiological causes, you can adjust the habits; pathologic causes, need to actively treat the original disease. 1. Physiological reasons: living environment, inhaling too much dust, stimulate the palate itch, pay attention to improve the dust environment, and pay attention to wear a mask to protect; dry weather, the body lack of water, there will be the symptom of itchy palate, drink more water, improve the symptoms. 2. Pathological factors: chronic pharyngitis, rhinitis, stimulation of the palate, there will be an itchy palate, need to actively treat pharyngitis, rhinitis. Allergic to certain foods, itchy palate, need to avoid contact with allergens, can take loratadine and other anti-allergy drugs. Oral herpes simplex virus infection, can also appear on the upper part of the itchy and painful feeling, you can use acyclovir ointment topical rub. Itchy palate, it is recommended to seek medical examination under the guidance of the doctor for treatment and management, the use of drugs under the guidance of the doctor.