Background: Asthma is a heterogeneous disease, usually characterized by chronic airway inflammation. It is defined by the history of respiratory symptoms such as wheeze, shortness of breath, chest tightness and cough that vary over time and in intensity, together with variable expiratory airflow limitation. Objective: To detect the impact of adenotonsillectomy operation on control of bronchial asthma in pediatric population based on clinical assessment of preoperative and postoperative asthma symptoms control. Patients and Methods: This was a prospective case series study of 40 patients with chronic adenotonsillitis and bronchial asthma. The patients to be studied were recruited from the outpatient clinic of Otorhinolaryngology Department, Al-Hussein University Hospital during the period from January 2020 till April 2020. The patients were evaluated pre-operatively regarding asthma status using Childhood Asthma Control Test, and measuring peak expiratory flow rate. Adenotonsillectomy operation was done for them, and 3 months post-operatively, asthma was re-evaluated using the same previous methods. Results: There was a highly significant difference between preoperative and postoperative condition regarding Childhood Asthma Control Test results and peak expiratory flow rate which was in favor of overall improvement of asthma control. Conclusion: Adenotonsillectomy in asthmatic patients with chronic adenotonsillitis led to significant improvement in asthma symptoms control and most of the patients were able to improve their life style.