Summer 2~3 times a day frequent nosebleeds are commonly caused by climatic factors, nasal capillary hemangioma, dry rhinitis and other diseases. 1. Climatic factors: summer weather is hot, the nasal cavity water evaporation is too fast, some patients can occur in the nasal cavity mucous membrane cracking, blood vessel breakage bleeding. 2. Nasal capillary hemangioma: it occurs in the front part of nasal septum, the front part of inferior turbinate, the skin of external nose, etc. It is small in size and the diameter is below 1.5cm, and it is often polypoid with a tip, with smooth surface or forming ulcers, and it is easy to bleed. 3. Dry rhinitis: there is often a sense of nasal dryness, nasal itching, nasal congestion, nasal bleeding and other symptoms. Nasal cavity inspection can be seen mucous membrane slightly pale, dry, viscous secretion or thin crust attached to the front of the nasal cavity, and the mucous membrane of the anterior part of the nasal septum appeared to be erosion, superficial ulceration. Frequent nosebleeds in summer, may also be caused by nasopharyngeal fibroangioma, etc. It is recommended that patients actively seek medical attention, do not blindly use their own medication, should be clearly diagnosed under the doctor’s systematic examination.