Children have nosebleeds in summer, it may be the dry environment leads to nasal mucosa rupture bleeding. Generally the summer weather is hot, dry, and then summer children sweat more, such as not timely supplemental water, are prone to lead to the dryness of the nasal mucosa, so that the brittleness of the capillary wall increases, thus triggering the capillary rupture, resulting in summer nosebleeds. Children’s summer nosebleeds, you can apply erythromycin ophthalmic ointment to the nasal cavity to improve the local dryness of the nasal cavity, physiological sea saline nasal spray, so that the mucous membrane of the nasal cavity is moist. Summer should pay attention to drink more water, nutritional balance, if the child often nosebleeds, should be timely consultation, if necessary, blood routine and other tests, to further clarify the cause of nosebleeds.