Summer baby often nosebleed may belong to the normal physiological phenomenon, this time without special treatment; may also be associated with acute sinusitis, leukemia and other factors, can be relieved through the general treatment and drug therapy. 1. Normal physiological phenomenon: due to the summer temperature is relatively hot, the baby’s metabolic rate is relatively fast, the body is prone to dehydration, there will be a dry nasal mucosa, which in turn makes the subcutaneous capillary rupture bleeding, this time can be cleaned to the nasal cavity, or with a cold towel on the outside of the nose for ice compresses to stop the bleeding, drink more water, pay attention to maintain a certain degree of temperature and humidity of the room. 2. Acute sinusitis: acute sinusitis is caused by pathogenic microbial infection of the upper respiratory tract, belonging to the mucosal inflammation in the sinuses, there will be nasal mucosal congestion, edema and capillary rupture, can be recommended by the doctor, choose cefixime granules, amoxicillin granules and other medications, can also be used to hydroxymethoxazole hydrochloride spray nasal spray treatment. 3. Leukemia: leukemia belongs to a hematopoietic system function of malignant neoplastic disease, can also cause the baby nosebleed, treatment is based on chemotherapy, commonly used drugs including vincristine, Zoerythromycin, Mentholase, prednisone and other drugs. During chemotherapy, protective isolation can effectively reduce the risk of infection. If necessary, platelets and red blood cells are supplemented in component blood transfusion. All of the above drugs need to be used under the guidance of a doctor, avoid self-medication. There are many other causes of nosebleeds in babies, and it is recommended to consult a doctor in time to be evaluated and handled by a specialist.