Nosebleeds in too hot a weather may be related to the hot weather and air is too dry, often picking the nose, nasal septum deviation, and so on, and is not normal. 1. Hot air is too dry: If the weather is too hot for nosebleeds, it is mainly related to the weather being too hot and the air being too dry. As the weather is too hot and the air is too dry, the mucous membrane of the nasal cavity becomes dry and dehydrated, and the capillaries in the mucous membrane of the nasal cavity are easy to rupture and bleed, and then there will be nosebleeds. 2. Frequent nose picking: If you have the habit of picking your nose often, it is easier to pick through the nasal mucosa in the state of too dry nasal cavity, thus the symptoms of nosebleed appear. 3. Deviated septum: If the weather is too dry, patients with deviated septum are more prone to nasal mucosal capillary rupture, bleeding phenomenon, nosebleed. If the weather is too hot for nosebleeds, you can pinch both sides of the nose with your thumb and show finger and hold on for 5-10 minutes to stop nasal bleeding. If the nosebleeds are more frequent or frequent, it is recommended to go to the ear, nose and throat department of a regular hospital for consultation and treatment.