7-year-old children often nosebleed, parents should stop the child picking the nose habit, to keep the environment moist, etc., disease caused by targeted medication. Normally, we should observe whether the child has the habit of picking the nose, if there must be more to stop. If the bleeding is caused by the dry environment, the living environment should pay attention to moisturizing, you can buy air humidifier, so that the house to maintain a certain degree of humidity. If it is due to rhinitis and other diseases caused by nasal mucous membrane rupture bleeding, you can apply recombinant human epidermal growth factor gel, as well as under the guidance of the doctor targeted to take some drugs for the treatment of rhinitis, to promote mucous membrane healing. Frequent nosebleeds, must go to the hospital for examination, check the blood routine, coagulation four, etc., to see if the child has blood system problems. If there is a problem with the blood system, further examination should be conducted in the hematology department to clarify the cause of the disease and then treat it.