Background; Bronchial asthma is a chronic inflammatory disorder of the airways. Asthma imposes a large burden on the individual and on health care systems.(1) Currently, asthma prevalence is approximately 10%-13%globaly.(1) WHO estimates globally,300 million are suffering with bronchial asthma with approximately 25,000 asthma related annual death.(6) in Africa estimated that a prevalence of 11.7% for asthma.(2) Objective; The main objective of this study was assessing the prevalence of bronchial asthma and pattern of medication prescription for bronchial asthma on adult patients visiting adult emergency department of TIKUR ANBESA SPECIALISED HOSPITAL from November 1-2012 to November 1-2014 according to national asthma prevention and education programme (NAEPP) and global initiative for asthma management(GINA). Method; this study was descriptive, crossectional, retrospective study. It was conducted in January to February 2015 in adult emergency department of Tikur Anbessa specialized hospital. The necessary data was collected from record of the patient who visited from November 1-2012 to November 1-2014. RESULT, 78(52.7%) were males giving a male to female ratio of 1.11 to 1. the prevalence of bronchial asthma was 1.04% with severity of 65(43.9%) moderate, 62(41.9%) were mild, and 21(14.2%) severe. 136(91.9%) had wheezing, 131(88.5%) dyspnea, 125(84.5%) cough, Conclusion, There was low prevalence of bronchial asthma in the emergency department with no difference in sex. Wheezing and Cough were the predominant symptoms and signs seen. Treating and managing patients with accordance to GINA is low. Patients who took low dose SABA were 78(52.7%), medium dose 64(43.2%), high dose 5(3.4%), systemic CS 97(65.5%), oxygen 122 (84.4%), adjective therapy 34(23.0%). Recommendation, Health authorities of the country should ensure the availability of nationally appropriate asthma management guidelines.