Nosebleeds in 5-year-old babies are usually caused clinically by cold or cold after the nasal cavity, nasal mucosa capillary dilation, dry rupture bleeding, when nosebleeds can be topical nasal vitamin AD drops or Beflexu gel, can also be used topical ofloxacin gel to effectively relieve the dryness of the nasal mucosa, nasal mucosa capillary dilation inflammation, etc., in about 1 week to make the symptoms of nosebleeds return to normal. If a 5-year-old baby has recurrent nosebleeds and has the appearance of anemia, accompanied by bleeding gums or bleeding spots on the mucous membrane of the skin, and also has a low fever and other symptoms, it is necessary to promptly go to the hospital for routine blood tests and coagulation tests to rule out blood problems, usually the cause of nosebleeds is mainly seen in the nasal cavity, and a few are seen in blood diseases.