A clinical analysis for 148 cases of epistaxis, observed from Jan. 1975 to Dec. 1976, is reported. 1. The incidence of epistaxis was 2.96% of total outpatients (4992cases) and 10.68% of patients with nasal troubles (1385 cases) in dept. of otolaryngology. 2. Most of the cases of the epistaxis were observed in the age of 10-29 and the frequency in male was greater. 3. Seasonal incidences were even roughly throughout a year with the exceptions of Sept. and Oct. , which showerd greater one. 4. Fifty percent of the cases visited our clinic within 3 days of the onset. 5. Bleeding from the anterior part of the nose was 73.0% of the cases with majority of them from Kiesselbach area and 16.9% of the posterior part of the nose with more than half of them from the posterior part of the inferior turbinate (including inferior meatus). 6. In young adults the majority of epistaxis were anterior type but after the age of 40, the incidence of posterior nosebleeds rises markedly and the anterior nosebleeds becomes relatively less frequent, 7. There were 37.8% of the cases that were induced with local factors and 27.7% with general factors. 8. In the treatment of epistaxis, 21.6% of the cases were controlled with cautery with silver nitrate or electrocautery, 31.4% with anterior packing and 3.4% with posterior packing but 40.5% of the cases were controlled without specific treatment.