Backgoudn: asthma is one of the most prevalent chronic diseases of childhood, data from the American national health interview survey revealed the prevalence in children 14 years of age and younger to be 9.0%. Objictive: the aim of this work is to assess the effect of adenoidectomy on bronchial asthma. The conclusions of this study may aid in counseling patients and their families regarding the impact of surgical intervention on the modulation of asthma symptoms. Patients and Methods: this was a prospective case series study. Patients were selected from those attending asthma pediatric clinic at Al-Azhar University Hospitals (Sayed Galal and Al-Hussain hospitals). After exclusion and inclusion criteria were applied, 50 children with diagnosis of chronic adenotonsillitis associated with bronchial asthma were enrolled in the study. Results: there was a significant improvement of asthma control test and SN-5 questionnaire results in both urban and rural inhabitants comparing preoperative and postoperative state. There was a non-significant difference between urban and rural residence regarding improvement of bronchial asthma after. There was a significant improvement in both sexes regarding asthma control test and SN-5 questionnaire results comparing preoperative and postoperative state. On the other hand, there was a non-significant difference between male and female gender regarding such improvement after AT. Conclusion: adenotonsillectomy in asthmatic patients with chronic adenotonsillitis may lead to significant improvement in asthma symptoms control and most of the patients are able to eliminate their medications and improve quality of their life style.