Infant nosebleed, clinically there may be the following reasons, 1, infants may be due to nutritional deficiencies, vitamin deficiencies caused by the dryness of the nasal mucosa, mucosal localized erosion, ulceration, the small blood vessels under the mucous membrane wall is very thin, brittleness increases, which leads to bleeding under the mucosa. This situation is more common in the clinic, this situation suggests that the patient on the otorhinolaryngology outpatient clinic, the doctor can use a small nasal endoscopy to check the condition of the child’s nasal cavity, more common is the nasal cavity Ri’s area of the small blood vessels bleeding, for this case, you can use saline under the guidance of the doctor nose drops. If the child is not allergic, you can also use compound menthol nose drops to lubricate the nasal cavity and reduce the bleeding of the nasal mucosa. It is recommended that patients try not to touch the nose and not to blow the nose, so as not to cause bleeding again. 2, some infants have blood diseases, such as thrombocytopenia, coagulation factor deficiency and other diseases, resulting in patients are prone to nosebleeds, through blood sampling to check the blood routine and coagulation function, basically, can be found in this situation.