Open air conditioning to sleep dry throat may be due to open air conditioning makes the indoor dry, may also be the patient blowing air conditioning cold caused by laryngitis, there may be patients suffering from dry syndrome and other diseases caused by different reasons, different treatment methods. 1. Physiological factors: open air conditioning will make the indoor air humidity, indoor dryness will further lead to people sleeping through the oral cavity, nasal cavity and other respiratory evaporation of excessive moisture, and then appear dry throat symptoms, this is a normal phenomenon, in the open air conditioning at the same time to open the air humidifier can be improved. 2. Laryngitis: sleeping in the air conditioning can easily lead to cold patients, and then pharyngitis, pharyngitis can also lead to patients with dry throat symptoms, treatment should drink more water, to avoid the air conditioning temperature is too low, but also follow the doctor’s instructions to use chlorhexidine gargle solution gargling, the use of amoxicillin, choroidine, and other medications for treatment. 3. Dry syndrome: If the patient originally suffered from dry syndrome, then there can be open air-conditioning sleep feeling throat dry symptoms, treatment can be prescribed by the use of dexamethasone, cyclophosphamide, azathioprine, rituximab and other drugs for treatment. Excluding physiological factors, if the patient sleeps with the air conditioning dry throat symptoms continue to not relieve, it is recommended to consult a doctor in a timely manner to identify the causes and ask the doctor to be dealt with.