When a patient has a high fever, the temperature of the mucous membrane in the nasal cavity is very high. Due to the dryness of the nasal mucosa and the high temperature, it is particularly easy to cause rupture and bleeding of the nasal mucosa. In terms of treatment, patients must actively treat the primary disease, and may consider taking oral antipyretic medications, commonly ibuprofen suspension or ibuprofen capsules. At the same time, patients can also spray ephedrine hydrochloride drops in the nasal cavity, which can effectively reduce the patient’s nosebleed. After active treatment, the patient’s symptoms of nosebleed will improve significantly. During this period, patients should avoid blowing their noses forcefully, and the nasal cavity can also be sprayed with saline, which can effectively play a moisturizing effect. If the patient still has high fever and nosebleeds after treatment, it is best to go to the hospital for a detailed examination. If necessary, it is necessary to exclude blood system related diseases, and the patient needs to go to the hematology department for further consultation.