Summer open air conditioning nose dry nosebleed, in the bleeding of the nasal cavity can be the first hemostatic treatment, and then according to the characteristics of the disease by improving indoor humidity, lubrication of the nasal cavity and other methods of targeted treatment. 1. Nasal hemostasis: If the nose is bleeding less, you can slightly lower your head and hold the ends of your nose with your hands to stop the nosebleed by pressing; if the nose bleeds more, or simply press to stop the nosebleed, the nosebleed is still more than that, you can go to the hospital by the physician to find the bleeding point, use petroleum jelly gauze to fill the nasal cavity to stop the bleeding or use the endonasal microscope to find the bleeding point to carry out coagulation to stop the bleeding. 2. Improve the indoor humidity: long time in the air conditioning environment, dry indoor air is easy to take away the nasal cavity moisture, thus causing nasal cavity dryness, bleeding and so on. Therefore, you can place a humidifier in the air-conditioned room or open the window regularly to improve the indoor humidity, so as to avoid excessive dryness of the nasal cavity and bleeding reaction. 3. Lubricate the nasal cavity: the dry air in the room is easy to make the mucous membrane of the nasal cavity dry and bleeding, can be under the guidance of a physician, the use of compound menthol nasal drops, paraffin oil and other nasal drops, to keep the internal nasal cavity moist. If the nose is dry and bleeding due to air conditioning, you can actively seek medical attention, systematic examination to clarify the disease state, and follow the doctor’s instructions to standardize the use of medication and treatment.